Home / 320,126.14-479,805.60-149,117.32

Finding the Fourth Proportional to 320,126.14, 479,805.60 and 149,117.32

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Solution

The fourth proportional to 320,126.14, 479,805.60 and 149,117.32 is: 223,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,126.14 : 479,805.60 = 149,117.32 : x
  2. Step 2: Convert to fraction form
    320,126.14/479,805.60 = 149,117.32/x
  3. Step 3: Cross multiply
    320,126.14x = 479,805.60 × 149,117.32
  4. Step 4: Simplify right side
    320,126.14x = 71,547,325,192.99
  5. Step 5: Solve for x
    x = 71,547,325,192.99/320,126.14
  6. Step 6: Final answer
    x = 223,497.29

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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.