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Finding the Fourth Proportional to 540,109.92, 810,252.72 and 166,133.28

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Solution

The fourth proportional to 540,109.92, 810,252.72 and 166,133.28 is: 249,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,109.92 : 810,252.72 = 166,133.28 : x
  2. Step 2: Convert to fraction form
    540,109.92/810,252.72 = 166,133.28/x
  3. Step 3: Cross multiply
    540,109.92x = 810,252.72 × 166,133.28
  4. Step 4: Simplify right side
    540,109.92x = 134,609,942,002.52
  5. Step 5: Solve for x
    x = 134,609,942,002.52/540,109.92
  6. Step 6: Final answer
    x = 249,226.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.