Home / 287,381.24-396,598.34-160,056.83

Finding the Fourth Proportional to 287,381.24, 396,598.34 and 160,056.83

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Solution

The fourth proportional to 287,381.24, 396,598.34 and 160,056.83 is: 220,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,381.24 : 396,598.34 = 160,056.83 : x
  2. Step 2: Convert to fraction form
    287,381.24/396,598.34 = 160,056.83/x
  3. Step 3: Cross multiply
    287,381.24x = 396,598.34 × 160,056.83
  4. Step 4: Simplify right side
    287,381.24x = 63,478,273,083.66
  5. Step 5: Solve for x
    x = 63,478,273,083.66/287,381.24
  6. Step 6: Final answer
    x = 220,885.24

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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.