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Finding the Fourth Proportional to 266,750.01, 368,109.81 and 145,890.90

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Solution

The fourth proportional to 266,750.01, 368,109.81 and 145,890.90 is: 201,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,750.01 : 368,109.81 = 145,890.90 : x
  2. Step 2: Convert to fraction form
    266,750.01/368,109.81 = 145,890.90/x
  3. Step 3: Cross multiply
    266,750.01x = 368,109.81 × 145,890.90
  4. Step 4: Simplify right side
    266,750.01x = 53,703,871,479.73
  5. Step 5: Solve for x
    x = 53,703,871,479.73/266,750.01
  6. Step 6: Final answer
    x = 201,326.60

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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.