Home / 290,261.12-435,389.52-157,982.24

Finding the Fourth Proportional to 290,261.12, 435,389.52 and 157,982.24

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Solution

The fourth proportional to 290,261.12, 435,389.52 and 157,982.24 is: 236,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,261.12 : 435,389.52 = 157,982.24 : x
  2. Step 2: Convert to fraction form
    290,261.12/435,389.52 = 157,982.24/x
  3. Step 3: Cross multiply
    290,261.12x = 435,389.52 × 157,982.24
  4. Step 4: Simplify right side
    290,261.12x = 68,783,811,642.12
  5. Step 5: Solve for x
    x = 68,783,811,642.12/290,261.12
  6. Step 6: Final answer
    x = 236,972.18

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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.