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Finding the Fourth Proportional to 259,322.61, 357,722.12 and 162,668.15

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Solution

The fourth proportional to 259,322.61, 357,722.12 and 162,668.15 is: 224,392.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,322.61 : 357,722.12 = 162,668.15 : x
  2. Step 2: Convert to fraction form
    259,322.61/357,722.12 = 162,668.15/x
  3. Step 3: Cross multiply
    259,322.61x = 357,722.12 × 162,668.15
  4. Step 4: Simplify right side
    259,322.61x = 58,189,995,434.00
  5. Step 5: Solve for x
    x = 58,189,995,434.00/259,322.61
  6. Step 6: Final answer
    x = 224,392.29

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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.