Home / 810,125.64-1,215,207.90-249,165

Finding the Fourth Proportional to 810,125.64, 1,215,207.90 and 249,165

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Solution

The fourth proportional to 810,125.64, 1,215,207.90 and 249,165 is: 373,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,125.64 : 1,215,207.90 = 249,165 : x
  2. Step 2: Convert to fraction form
    810,125.64/1,215,207.90 = 249,165/x
  3. Step 3: Cross multiply
    810,125.64x = 1,215,207.90 × 249,165
  4. Step 4: Simplify right side
    810,125.64x = 302,787,276,403.50
  5. Step 5: Solve for x
    x = 302,787,276,403.50/810,125.64
  6. Step 6: Final answer
    x = 373,753.48

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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.