Home / 402,391.06-603,585.37-102,871.69

Finding the Fourth Proportional to 402,391.06, 603,585.37 and 102,871.69

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Solution

The fourth proportional to 402,391.06, 603,585.37 and 102,871.69 is: 154,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,391.06 : 603,585.37 = 102,871.69 : x
  2. Step 2: Convert to fraction form
    402,391.06/603,585.37 = 102,871.69/x
  3. Step 3: Cross multiply
    402,391.06x = 603,585.37 × 102,871.69
  4. Step 4: Simplify right side
    402,391.06x = 62,091,847,071.18
  5. Step 5: Solve for x
    x = 62,091,847,071.18/402,391.06
  6. Step 6: Final answer
    x = 154,307.22

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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.