Home / 243,669.15-365,449.05-160,016.40

Finding the Fourth Proportional to 243,669.15, 365,449.05 and 160,016.40

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Solution

The fourth proportional to 243,669.15, 365,449.05 and 160,016.40 is: 239,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,669.15 : 365,449.05 = 160,016.40 : x
  2. Step 2: Convert to fraction form
    243,669.15/365,449.05 = 160,016.40/x
  3. Step 3: Cross multiply
    243,669.15x = 365,449.05 × 160,016.40
  4. Step 4: Simplify right side
    243,669.15x = 58,477,841,364.42
  5. Step 5: Solve for x
    x = 58,477,841,364.42/243,669.15
  6. Step 6: Final answer
    x = 239,988.70

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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.