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Finding the Fourth Proportional to 377,298.16, 520,660.60 and 207,532.28

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Solution

The fourth proportional to 377,298.16, 520,660.60 and 207,532.28 is: 286,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,298.16 : 520,660.60 = 207,532.28 : x
  2. Step 2: Convert to fraction form
    377,298.16/520,660.60 = 207,532.28/x
  3. Step 3: Cross multiply
    377,298.16x = 520,660.60 × 207,532.28
  4. Step 4: Simplify right side
    377,298.16x = 108,053,881,424.17
  5. Step 5: Solve for x
    x = 108,053,881,424.17/377,298.16
  6. Step 6: Final answer
    x = 286,388.57

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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.