Home / 434,710.70-652,066.05-135,210.20

Finding the Fourth Proportional to 434,710.70, 652,066.05 and 135,210.20

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Solution

The fourth proportional to 434,710.70, 652,066.05 and 135,210.20 is: 202,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,710.70 : 652,066.05 = 135,210.20 : x
  2. Step 2: Convert to fraction form
    434,710.70/652,066.05 = 135,210.20/x
  3. Step 3: Cross multiply
    434,710.70x = 652,066.05 × 135,210.20
  4. Step 4: Simplify right side
    434,710.70x = 88,165,981,033.71
  5. Step 5: Solve for x
    x = 88,165,981,033.71/434,710.70
  6. Step 6: Final answer
    x = 202,815.30

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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.