Home / 421,923.12-632,885.16-155,568.24

Finding the Fourth Proportional to 421,923.12, 632,885.16 and 155,568.24

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Solution

The fourth proportional to 421,923.12, 632,885.16 and 155,568.24 is: 233,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,923.12 : 632,885.16 = 155,568.24 : x
  2. Step 2: Convert to fraction form
    421,923.12/632,885.16 = 155,568.24/x
  3. Step 3: Cross multiply
    421,923.12x = 632,885.16 × 155,568.24
  4. Step 4: Simplify right side
    421,923.12x = 98,456,830,463.32
  5. Step 5: Solve for x
    x = 98,456,830,463.32/421,923.12
  6. Step 6: Final answer
    x = 233,352.54

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.