Home / 549,098.90-823,259.55-212,009.30

Finding the Fourth Proportional to 549,098.90, 823,259.55 and 212,009.30

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Solution

The fourth proportional to 549,098.90, 823,259.55 and 212,009.30 is: 317,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,098.90 : 823,259.55 = 212,009.30 : x
  2. Step 2: Convert to fraction form
    549,098.90/823,259.55 = 212,009.30/x
  3. Step 3: Cross multiply
    549,098.90x = 823,259.55 × 212,009.30
  4. Step 4: Simplify right side
    549,098.90x = 174,538,680,913.82
  5. Step 5: Solve for x
    x = 174,538,680,913.82/549,098.90
  6. Step 6: Final answer
    x = 317,863.83

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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.