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Finding the Fourth Proportional to 290,248.08, 435,497.40 and 150,105.12

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Solution

The fourth proportional to 290,248.08, 435,497.40 and 150,105.12 is: 225,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,248.08 : 435,497.40 = 150,105.12 : x
  2. Step 2: Convert to fraction form
    290,248.08/435,497.40 = 150,105.12/x
  3. Step 3: Cross multiply
    290,248.08x = 435,497.40 × 150,105.12
  4. Step 4: Simplify right side
    290,248.08x = 65,370,389,486.69
  5. Step 5: Solve for x
    x = 65,370,389,486.69/290,248.08
  6. Step 6: Final answer
    x = 225,222.47

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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.