Home / 277,515.12-382,970.84-150,190.74

Finding the Fourth Proportional to 277,515.12, 382,970.84 and 150,190.74

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Solution

The fourth proportional to 277,515.12, 382,970.84 and 150,190.74 is: 207,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,515.12 : 382,970.84 = 150,190.74 : x
  2. Step 2: Convert to fraction form
    277,515.12/382,970.84 = 150,190.74/x
  3. Step 3: Cross multiply
    277,515.12x = 382,970.84 × 150,190.74
  4. Step 4: Simplify right side
    277,515.12x = 57,518,673,858.02
  5. Step 5: Solve for x
    x = 57,518,673,858.02/277,515.12
  6. Step 6: Final answer
    x = 207,263.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.