Home / 290,319.55-400,635.06-162,995.14

Finding the Fourth Proportional to 290,319.55, 400,635.06 and 162,995.14

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Solution

The fourth proportional to 290,319.55, 400,635.06 and 162,995.14 is: 224,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,319.55 : 400,635.06 = 162,995.14 : x
  2. Step 2: Convert to fraction form
    290,319.55/400,635.06 = 162,995.14/x
  3. Step 3: Cross multiply
    290,319.55x = 400,635.06 × 162,995.14
  4. Step 4: Simplify right side
    290,319.55x = 65,301,567,693.61
  5. Step 5: Solve for x
    x = 65,301,567,693.61/290,319.55
  6. Step 6: Final answer
    x = 224,929.97

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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.