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Finding the Fourth Proportional to 377,294.64, 520,670.96 and 207,530

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Solution

The fourth proportional to 377,294.64, 520,670.96 and 207,530 is: 286,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,294.64 : 520,670.96 = 207,530 : x
  2. Step 2: Convert to fraction form
    377,294.64/520,670.96 = 207,530/x
  3. Step 3: Cross multiply
    377,294.64x = 520,670.96 × 207,530
  4. Step 4: Simplify right side
    377,294.64x = 108,054,844,328.80
  5. Step 5: Solve for x
    x = 108,054,844,328.80/377,294.64
  6. Step 6: Final answer
    x = 286,393.80

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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.