Home / 436,985.88-655,479.02-121,445.52

Finding the Fourth Proportional to 436,985.88, 655,479.02 and 121,445.52

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Solution

The fourth proportional to 436,985.88, 655,479.02 and 121,445.52 is: 182,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,985.88 : 655,479.02 = 121,445.52 : x
  2. Step 2: Convert to fraction form
    436,985.88/655,479.02 = 121,445.52/x
  3. Step 3: Cross multiply
    436,985.88x = 655,479.02 × 121,445.52
  4. Step 4: Simplify right side
    436,985.88x = 79,604,990,432.99
  5. Step 5: Solve for x
    x = 79,604,990,432.99/436,985.88
  6. Step 6: Final answer
    x = 182,168.34

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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.