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Finding the Fourth Proportional to 540,374.68, 810,393.54 and 203,462.20

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Solution

The fourth proportional to 540,374.68, 810,393.54 and 203,462.20 is: 305,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,374.68 : 810,393.54 = 203,462.20 : x
  2. Step 2: Convert to fraction form
    540,374.68/810,393.54 = 203,462.20/x
  3. Step 3: Cross multiply
    540,374.68x = 810,393.54 × 203,462.20
  4. Step 4: Simplify right side
    540,374.68x = 164,884,452,514.19
  5. Step 5: Solve for x
    x = 164,884,452,514.19/540,374.68
  6. Step 6: Final answer
    x = 305,129.86

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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.