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Finding the Fourth Proportional to 210,560.71, 290,625.42 and 119,970.13

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Solution

The fourth proportional to 210,560.71, 290,625.42 and 119,970.13 is: 165,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,560.71 : 290,625.42 = 119,970.13 : x
  2. Step 2: Convert to fraction form
    210,560.71/290,625.42 = 119,970.13/x
  3. Step 3: Cross multiply
    210,560.71x = 290,625.42 × 119,970.13
  4. Step 4: Simplify right side
    210,560.71x = 34,866,369,418.70
  5. Step 5: Solve for x
    x = 34,866,369,418.70/210,560.71
  6. Step 6: Final answer
    x = 165,588.20

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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.