Home / 434,705.28-652,050.13-178,482.21

Finding the Fourth Proportional to 434,705.28, 652,050.13 and 178,482.21

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Solution

The fourth proportional to 434,705.28, 652,050.13 and 178,482.21 is: 267,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,705.28 : 652,050.13 = 178,482.21 : x
  2. Step 2: Convert to fraction form
    434,705.28/652,050.13 = 178,482.21/x
  3. Step 3: Cross multiply
    434,705.28x = 652,050.13 × 178,482.21
  4. Step 4: Simplify right side
    434,705.28x = 116,379,348,233.19
  5. Step 5: Solve for x
    x = 116,379,348,233.19/434,705.28
  6. Step 6: Final answer
    x = 267,720.12

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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.