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Finding the Fourth Proportional to 239,706.95, 330,655.91 and 153,635.27

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Solution

The fourth proportional to 239,706.95, 330,655.91 and 153,635.27 is: 211,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,706.95 : 330,655.91 = 153,635.27 : x
  2. Step 2: Convert to fraction form
    239,706.95/330,655.91 = 153,635.27/x
  3. Step 3: Cross multiply
    239,706.95x = 330,655.91 × 153,635.27
  4. Step 4: Simplify right side
    239,706.95x = 50,800,407,588.49
  5. Step 5: Solve for x
    x = 50,800,407,588.49/239,706.95
  6. Step 6: Final answer
    x = 211,927.14

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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.