Home / 352,488.48-528,551.28-142,069.92

Finding the Fourth Proportional to 352,488.48, 528,551.28 and 142,069.92

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Solution

The fourth proportional to 352,488.48, 528,551.28 and 142,069.92 is: 213,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,488.48 : 528,551.28 = 142,069.92 : x
  2. Step 2: Convert to fraction form
    352,488.48/528,551.28 = 142,069.92/x
  3. Step 3: Cross multiply
    352,488.48x = 528,551.28 × 142,069.92
  4. Step 4: Simplify right side
    352,488.48x = 75,091,238,065.50
  5. Step 5: Solve for x
    x = 75,091,238,065.50/352,488.48
  6. Step 6: Final answer
    x = 213,031.75

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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.