Home / 445,899.17-615,263.77-252,315.65

Finding the Fourth Proportional to 445,899.17, 615,263.77 and 252,315.65

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Solution

The fourth proportional to 445,899.17, 615,263.77 and 252,315.65 is: 348,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,899.17 : 615,263.77 = 252,315.65 : x
  2. Step 2: Convert to fraction form
    445,899.17/615,263.77 = 252,315.65/x
  3. Step 3: Cross multiply
    445,899.17x = 615,263.77 × 252,315.65
  4. Step 4: Simplify right side
    445,899.17x = 155,240,678,049.00
  5. Step 5: Solve for x
    x = 155,240,678,049.00/445,899.17
  6. Step 6: Final answer
    x = 348,151.98

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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.