Home / 320,289.43-442,002.08-177,051.87

Finding the Fourth Proportional to 320,289.43, 442,002.08 and 177,051.87

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Solution

The fourth proportional to 320,289.43, 442,002.08 and 177,051.87 is: 244,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,289.43 : 442,002.08 = 177,051.87 : x
  2. Step 2: Convert to fraction form
    320,289.43/442,002.08 = 177,051.87/x
  3. Step 3: Cross multiply
    320,289.43x = 442,002.08 × 177,051.87
  4. Step 4: Simplify right side
    320,289.43x = 78,257,294,807.89
  5. Step 5: Solve for x
    x = 78,257,294,807.89/320,289.43
  6. Step 6: Final answer
    x = 244,333.05

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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.