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Finding the Fourth Proportional to 377,103.34, 520,403.34 and 207,337.51

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Solution

The fourth proportional to 377,103.34, 520,403.34 and 207,337.51 is: 286,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,103.34 : 520,403.34 = 207,337.51 : x
  2. Step 2: Convert to fraction form
    377,103.34/520,403.34 = 207,337.51/x
  3. Step 3: Cross multiply
    377,103.34x = 520,403.34 × 207,337.51
  4. Step 4: Simplify right side
    377,103.34x = 107,899,132,711.28
  5. Step 5: Solve for x
    x = 107,899,132,711.28/377,103.34
  6. Step 6: Final answer
    x = 286,126.17

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1.5x scale

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.