Home / 215,316.72-296,829.12-151,456.32

Finding the Fourth Proportional to 215,316.72, 296,829.12 and 151,456.32

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Solution

The fourth proportional to 215,316.72, 296,829.12 and 151,456.32 is: 208,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,316.72 : 296,829.12 = 151,456.32 : x
  2. Step 2: Convert to fraction form
    215,316.72/296,829.12 = 151,456.32/x
  3. Step 3: Cross multiply
    215,316.72x = 296,829.12 × 151,456.32
  4. Step 4: Simplify right side
    215,316.72x = 44,956,646,184.04
  5. Step 5: Solve for x
    x = 44,956,646,184.04/215,316.72
  6. Step 6: Final answer
    x = 208,793.10

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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.