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Finding the Fourth Proportional to 475,395.24, 656,046.36 and 260,543.28

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Solution

The fourth proportional to 475,395.24, 656,046.36 and 260,543.28 is: 359,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,395.24 : 656,046.36 = 260,543.28 : x
  2. Step 2: Convert to fraction form
    475,395.24/656,046.36 = 260,543.28/x
  3. Step 3: Cross multiply
    475,395.24x = 656,046.36 × 260,543.28
  4. Step 4: Simplify right side
    475,395.24x = 170,928,470,466.46
  5. Step 5: Solve for x
    x = 170,928,470,466.46/475,395.24
  6. Step 6: Final answer
    x = 359,550.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.