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Finding the Fourth Proportional to 540,012.72, 810,166.40 and 236,351.64

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Solution

The fourth proportional to 540,012.72, 810,166.40 and 236,351.64 is: 354,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,012.72 : 810,166.40 = 236,351.64 : x
  2. Step 2: Convert to fraction form
    540,012.72/810,166.40 = 236,351.64/x
  3. Step 3: Cross multiply
    540,012.72x = 810,166.40 × 236,351.64
  4. Step 4: Simplify right side
    540,012.72x = 191,484,157,312.90
  5. Step 5: Solve for x
    x = 191,484,157,312.90/540,012.72
  6. Step 6: Final answer
    x = 354,591.94

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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.