Home / 575,214.38-862,820.13-170,438.11

Finding the Fourth Proportional to 575,214.38, 862,820.13 and 170,438.11

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Solution

The fourth proportional to 575,214.38, 862,820.13 and 170,438.11 is: 255,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,214.38 : 862,820.13 = 170,438.11 : x
  2. Step 2: Convert to fraction form
    575,214.38/862,820.13 = 170,438.11/x
  3. Step 3: Cross multiply
    575,214.38x = 862,820.13 × 170,438.11
  4. Step 4: Simplify right side
    575,214.38x = 147,057,430,709.25
  5. Step 5: Solve for x
    x = 147,057,430,709.25/575,214.38
  6. Step 6: Final answer
    x = 255,656.74

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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.