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Finding the Fourth Proportional to 377,522.64, 520,983.72 and 207,752.40

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Solution

The fourth proportional to 377,522.64, 520,983.72 and 207,752.40 is: 286,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,522.64 : 520,983.72 = 207,752.40 : x
  2. Step 2: Convert to fraction form
    377,522.64/520,983.72 = 207,752.40/x
  3. Step 3: Cross multiply
    377,522.64x = 520,983.72 × 207,752.40
  4. Step 4: Simplify right side
    377,522.64x = 108,235,618,190.93
  5. Step 5: Solve for x
    x = 108,235,618,190.93/377,522.64
  6. Step 6: Final answer
    x = 286,699.67

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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.