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Finding the Fourth Proportional to 377,311.84, 520,679.37 and 207,545.92

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Solution

The fourth proportional to 377,311.84, 520,679.37 and 207,545.92 is: 286,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,311.84 : 520,679.37 = 207,545.92 : x
  2. Step 2: Convert to fraction form
    377,311.84/520,679.37 = 207,545.92/x
  3. Step 3: Cross multiply
    377,311.84x = 520,679.37 × 207,545.92
  4. Step 4: Simplify right side
    377,311.84x = 108,064,878,871.67
  5. Step 5: Solve for x
    x = 108,064,878,871.67/377,311.84
  6. Step 6: Final answer
    x = 286,407.34

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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.