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Finding the Fourth Proportional to 377,386.52, 520,792.62 and 207,620.24

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Solution

The fourth proportional to 377,386.52, 520,792.62 and 207,620.24 is: 286,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,386.52 : 520,792.62 = 207,620.24 : x
  2. Step 2: Convert to fraction form
    377,386.52/520,792.62 = 207,620.24/x
  3. Step 3: Cross multiply
    377,386.52x = 520,792.62 × 207,620.24
  4. Step 4: Simplify right side
    377,386.52x = 108,127,088,754.63
  5. Step 5: Solve for x
    x = 108,127,088,754.63/377,386.52
  6. Step 6: Final answer
    x = 286,515.50

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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.