Home / 549,464.68-824,430.75-212,741.86

Finding the Fourth Proportional to 549,464.68, 824,430.75 and 212,741.86

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Solution

The fourth proportional to 549,464.68, 824,430.75 and 212,741.86 is: 319,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,464.68 : 824,430.75 = 212,741.86 : x
  2. Step 2: Convert to fraction form
    549,464.68/824,430.75 = 212,741.86/x
  3. Step 3: Cross multiply
    549,464.68x = 824,430.75 × 212,741.86
  4. Step 4: Simplify right side
    549,464.68x = 175,390,927,074.04
  5. Step 5: Solve for x
    x = 175,390,927,074.04/549,464.68
  6. Step 6: Final answer
    x = 319,203.28

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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.