Home / 519,045.22-778,528.95-145,097.38

Finding the Fourth Proportional to 519,045.22, 778,528.95 and 145,097.38

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Solution

The fourth proportional to 519,045.22, 778,528.95 and 145,097.38 is: 217,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,045.22 : 778,528.95 = 145,097.38 : x
  2. Step 2: Convert to fraction form
    519,045.22/778,528.95 = 145,097.38/x
  3. Step 3: Cross multiply
    519,045.22x = 778,528.95 × 145,097.38
  4. Step 4: Simplify right side
    519,045.22x = 112,962,510,899.15
  5. Step 5: Solve for x
    x = 112,962,510,899.15/519,045.22
  6. Step 6: Final answer
    x = 217,635.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.