Home / 540,748.45-811,052.18-141,420.03

Finding the Fourth Proportional to 540,748.45, 811,052.18 and 141,420.03

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Solution

The fourth proportional to 540,748.45, 811,052.18 and 141,420.03 is: 212,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,748.45 : 811,052.18 = 141,420.03 : x
  2. Step 2: Convert to fraction form
    540,748.45/811,052.18 = 141,420.03/x
  3. Step 3: Cross multiply
    540,748.45x = 811,052.18 × 141,420.03
  4. Step 4: Simplify right side
    540,748.45x = 114,699,023,627.17
  5. Step 5: Solve for x
    x = 114,699,023,627.17/540,748.45
  6. Step 6: Final answer
    x = 212,111.61

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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.