Home / 320,248.17-480,354.93-162,472.55

Finding the Fourth Proportional to 320,248.17, 480,354.93 and 162,472.55

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Solution

The fourth proportional to 320,248.17, 480,354.93 and 162,472.55 is: 243,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,248.17 : 480,354.93 = 162,472.55 : x
  2. Step 2: Convert to fraction form
    320,248.17/480,354.93 = 162,472.55/x
  3. Step 3: Cross multiply
    320,248.17x = 480,354.93 × 162,472.55
  4. Step 4: Simplify right side
    320,248.17x = 78,044,487,980.40
  5. Step 5: Solve for x
    x = 78,044,487,980.40/320,248.17
  6. Step 6: Final answer
    x = 243,700.03

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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.