Home / 402,225.57-603,338.01-102,706.20

Finding the Fourth Proportional to 402,225.57, 603,338.01 and 102,706.20

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Solution

The fourth proportional to 402,225.57, 603,338.01 and 102,706.20 is: 154,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,225.57 : 603,338.01 = 102,706.20 : x
  2. Step 2: Convert to fraction form
    402,225.57/603,338.01 = 102,706.20/x
  3. Step 3: Cross multiply
    402,225.57x = 603,338.01 × 102,706.20
  4. Step 4: Simplify right side
    402,225.57x = 61,966,553,937.51
  5. Step 5: Solve for x
    x = 61,966,553,937.51/402,225.57
  6. Step 6: Final answer
    x = 154,059.21

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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.