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Finding the Fourth Proportional to 377,064, 520,360.48 and 207,310.40

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Solution

The fourth proportional to 377,064, 520,360.48 and 207,310.40 is: 286,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,064 : 520,360.48 = 207,310.40 : x
  2. Step 2: Convert to fraction form
    377,064/520,360.48 = 207,310.40/x
  3. Step 3: Cross multiply
    377,064x = 520,360.48 × 207,310.40
  4. Step 4: Simplify right side
    377,064x = 107,876,139,252.99
  5. Step 5: Solve for x
    x = 107,876,139,252.99/377,064
  6. Step 6: Final answer
    x = 286,095.04

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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.