Home / 280,862.04-421,292.98-112,458.20

Finding the Fourth Proportional to 280,862.04, 421,292.98 and 112,458.20

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Solution

The fourth proportional to 280,862.04, 421,292.98 and 112,458.20 is: 168,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,862.04 : 421,292.98 = 112,458.20 : x
  2. Step 2: Convert to fraction form
    280,862.04/421,292.98 = 112,458.20/x
  3. Step 3: Cross multiply
    280,862.04x = 421,292.98 × 112,458.20
  4. Step 4: Simplify right side
    280,862.04x = 47,377,850,203.44
  5. Step 5: Solve for x
    x = 47,377,850,203.44/280,862.04
  6. Step 6: Final answer
    x = 168,687.27

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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.