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Finding the Fourth Proportional to 377,526.64, 520,985.64 and 207,760.64

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Solution

The fourth proportional to 377,526.64, 520,985.64 and 207,760.64 is: 286,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,526.64 : 520,985.64 = 207,760.64 : x
  2. Step 2: Convert to fraction form
    377,526.64/520,985.64 = 207,760.64/x
  3. Step 3: Cross multiply
    377,526.64x = 520,985.64 × 207,760.64
  4. Step 4: Simplify right side
    377,526.64x = 108,240,309,997.21
  5. Step 5: Solve for x
    x = 108,240,309,997.21/377,526.64
  6. Step 6: Final answer
    x = 286,709.07

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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.