Home / 264,980.20-396,887.10-159,615.40

Finding the Fourth Proportional to 264,980.20, 396,887.10 and 159,615.40

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Solution

The fourth proportional to 264,980.20, 396,887.10 and 159,615.40 is: 239,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,980.20 : 396,887.10 = 159,615.40 : x
  2. Step 2: Convert to fraction form
    264,980.20/396,887.10 = 159,615.40/x
  3. Step 3: Cross multiply
    264,980.20x = 396,887.10 × 159,615.40
  4. Step 4: Simplify right side
    264,980.20x = 63,349,293,221.34
  5. Step 5: Solve for x
    x = 63,349,293,221.34/264,980.20
  6. Step 6: Final answer
    x = 239,071.80

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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.