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Finding the Fourth Proportional to 377,265.60, 520,622.40 and 207,502.08

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Solution

The fourth proportional to 377,265.60, 520,622.40 and 207,502.08 is: 286,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,265.60 : 520,622.40 = 207,502.08 : x
  2. Step 2: Convert to fraction form
    377,265.60/520,622.40 = 207,502.08/x
  3. Step 3: Cross multiply
    377,265.60x = 520,622.40 × 207,502.08
  4. Step 4: Simplify right side
    377,265.60x = 108,030,230,894.59
  5. Step 5: Solve for x
    x = 108,030,230,894.59/377,265.60
  6. Step 6: Final answer
    x = 286,350.60

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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.