Home / 280,862.10-387,592.26-160,001.58

Finding the Fourth Proportional to 280,862.10, 387,592.26 and 160,001.58

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Solution

The fourth proportional to 280,862.10, 387,592.26 and 160,001.58 is: 220,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,862.10 : 387,592.26 = 160,001.58 : x
  2. Step 2: Convert to fraction form
    280,862.10/387,592.26 = 160,001.58/x
  3. Step 3: Cross multiply
    280,862.10x = 387,592.26 × 160,001.58
  4. Step 4: Simplify right side
    280,862.10x = 62,015,373,995.77
  5. Step 5: Solve for x
    x = 62,015,373,995.77/280,862.10
  6. Step 6: Final answer
    x = 220,803.64

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1.5x scale

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.