Home / 316,973.43-475,461.77-80,316.27

Finding the Fourth Proportional to 316,973.43, 475,461.77 and 80,316.27

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Solution

The fourth proportional to 316,973.43, 475,461.77 and 80,316.27 is: 120,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,973.43 : 475,461.77 = 80,316.27 : x
  2. Step 2: Convert to fraction form
    316,973.43/475,461.77 = 80,316.27/x
  3. Step 3: Cross multiply
    316,973.43x = 475,461.77 × 80,316.27
  4. Step 4: Simplify right side
    316,973.43x = 38,187,315,492.42
  5. Step 5: Solve for x
    x = 38,187,315,492.42/316,973.43
  6. Step 6: Final answer
    x = 120,474.82

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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.