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Finding the Fourth Proportional to 210,614.40, 290,580.48 and 150,194.88

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Solution

The fourth proportional to 210,614.40, 290,580.48 and 150,194.88 is: 207,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,614.40 : 290,580.48 = 150,194.88 : x
  2. Step 2: Convert to fraction form
    210,614.40/290,580.48 = 150,194.88/x
  3. Step 3: Cross multiply
    210,614.40x = 290,580.48 × 150,194.88
  4. Step 4: Simplify right side
    210,614.40x = 43,643,700,323.94
  5. Step 5: Solve for x
    x = 43,643,700,323.94/210,614.40
  6. Step 6: Final answer
    x = 207,220.88

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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.