Home / 287,962.14-432,074.50-147,819.26

Finding the Fourth Proportional to 287,962.14, 432,074.50 and 147,819.26

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Solution

The fourth proportional to 287,962.14, 432,074.50 and 147,819.26 is: 221,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,962.14 : 432,074.50 = 147,819.26 : x
  2. Step 2: Convert to fraction form
    287,962.14/432,074.50 = 147,819.26/x
  3. Step 3: Cross multiply
    287,962.14x = 432,074.50 × 147,819.26
  4. Step 4: Simplify right side
    287,962.14x = 63,868,932,854.87
  5. Step 5: Solve for x
    x = 63,868,932,854.87/287,962.14
  6. Step 6: Final answer
    x = 221,796.28

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1.5x scale

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.