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Finding the Fourth Proportional to 181,602.81, 250,620 and 151,337.49

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Solution

The fourth proportional to 181,602.81, 250,620 and 151,337.49 is: 208,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,602.81 : 250,620 = 151,337.49 : x
  2. Step 2: Convert to fraction form
    181,602.81/250,620 = 151,337.49/x
  3. Step 3: Cross multiply
    181,602.81x = 250,620 × 151,337.49
  4. Step 4: Simplify right side
    181,602.81x = 37,928,201,743.80
  5. Step 5: Solve for x
    x = 37,928,201,743.80/181,602.81
  6. Step 6: Final answer
    x = 208,852.50

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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.