Home / 549,418.92-823,870.04-212,618.18

Finding the Fourth Proportional to 549,418.92, 823,870.04 and 212,618.18

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Solution

The fourth proportional to 549,418.92, 823,870.04 and 212,618.18 is: 318,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,418.92 : 823,870.04 = 212,618.18 : x
  2. Step 2: Convert to fraction form
    549,418.92/823,870.04 = 212,618.18/x
  3. Step 3: Cross multiply
    549,418.92x = 823,870.04 × 212,618.18
  4. Step 4: Simplify right side
    549,418.92x = 175,169,749,457.91
  5. Step 5: Solve for x
    x = 175,169,749,457.91/549,418.92
  6. Step 6: Final answer
    x = 318,827.30

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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.