Home / 549,353-824,034.64-194,427.20

Finding the Fourth Proportional to 549,353, 824,034.64 and 194,427.20

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Solution

The fourth proportional to 549,353, 824,034.64 and 194,427.20 is: 291,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,353 : 824,034.64 = 194,427.20 : x
  2. Step 2: Convert to fraction form
    549,353/824,034.64 = 194,427.20/x
  3. Step 3: Cross multiply
    549,353x = 824,034.64 × 194,427.20
  4. Step 4: Simplify right side
    549,353x = 160,214,747,758.21
  5. Step 5: Solve for x
    x = 160,214,747,758.21/549,353
  6. Step 6: Final answer
    x = 291,642.62

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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.