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Finding the Fourth Proportional to 270,071.54, 372,666.95 and 149,205.62

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Solution

The fourth proportional to 270,071.54, 372,666.95 and 149,205.62 is: 205,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,071.54 : 372,666.95 = 149,205.62 : x
  2. Step 2: Convert to fraction form
    270,071.54/372,666.95 = 149,205.62/x
  3. Step 3: Cross multiply
    270,071.54x = 372,666.95 × 149,205.62
  4. Step 4: Simplify right side
    270,071.54x = 55,604,000,718.90
  5. Step 5: Solve for x
    x = 55,604,000,718.90/270,071.54
  6. Step 6: Final answer
    x = 205,886.19

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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.