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Finding the Fourth Proportional to 210,264.95, 290,126.82 and 119,615.62

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Solution

The fourth proportional to 210,264.95, 290,126.82 and 119,615.62 is: 165,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,264.95 : 290,126.82 = 119,615.62 : x
  2. Step 2: Convert to fraction form
    210,264.95/290,126.82 = 119,615.62/x
  3. Step 3: Cross multiply
    210,264.95x = 290,126.82 × 119,615.62
  4. Step 4: Simplify right side
    210,264.95x = 34,703,699,452.93
  5. Step 5: Solve for x
    x = 34,703,699,452.93/210,264.95
  6. Step 6: Final answer
    x = 165,047.48

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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.