Home / 417,627.04-626,435.16-102,086.72

Finding the Fourth Proportional to 417,627.04, 626,435.16 and 102,086.72

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Solution

The fourth proportional to 417,627.04, 626,435.16 and 102,086.72 is: 153,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,627.04 : 626,435.16 = 102,086.72 : x
  2. Step 2: Convert to fraction form
    417,627.04/626,435.16 = 102,086.72/x
  3. Step 3: Cross multiply
    417,627.04x = 626,435.16 × 102,086.72
  4. Step 4: Simplify right side
    417,627.04x = 63,950,710,777.08
  5. Step 5: Solve for x
    x = 63,950,710,777.08/417,627.04
  6. Step 6: Final answer
    x = 153,128.76

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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.