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Finding the Fourth Proportional to 210,329.97, 290,280.83 and 119,707.98

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Solution

The fourth proportional to 210,329.97, 290,280.83 and 119,707.98 is: 165,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,329.97 : 290,280.83 = 119,707.98 : x
  2. Step 2: Convert to fraction form
    210,329.97/290,280.83 = 119,707.98/x
  3. Step 3: Cross multiply
    210,329.97x = 290,280.83 × 119,707.98
  4. Step 4: Simplify right side
    210,329.97x = 34,748,931,193.48
  5. Step 5: Solve for x
    x = 34,748,931,193.48/210,329.97
  6. Step 6: Final answer
    x = 165,211.51

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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.