Home / 354,386.74-531,582.18-88,147.30

Finding the Fourth Proportional to 354,386.74, 531,582.18 and 88,147.30

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Solution

The fourth proportional to 354,386.74, 531,582.18 and 88,147.30 is: 132,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,386.74 : 531,582.18 = 88,147.30 : x
  2. Step 2: Convert to fraction form
    354,386.74/531,582.18 = 88,147.30/x
  3. Step 3: Cross multiply
    354,386.74x = 531,582.18 × 88,147.30
  4. Step 4: Simplify right side
    354,386.74x = 46,857,533,895.11
  5. Step 5: Solve for x
    x = 46,857,533,895.11/354,386.74
  6. Step 6: Final answer
    x = 132,221.46

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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.