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Finding the Fourth Proportional to 245,437.30, 338,536.98 and 159,242.30

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Solution

The fourth proportional to 245,437.30, 338,536.98 and 159,242.30 is: 219,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,437.30 : 338,536.98 = 159,242.30 : x
  2. Step 2: Convert to fraction form
    245,437.30/338,536.98 = 159,242.30/x
  3. Step 3: Cross multiply
    245,437.30x = 338,536.98 × 159,242.30
  4. Step 4: Simplify right side
    245,437.30x = 53,909,407,330.25
  5. Step 5: Solve for x
    x = 53,909,407,330.25/245,437.30
  6. Step 6: Final answer
    x = 219,646.35

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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.