Home / 371,287.80-556,842.51-171,416.25

Finding the Fourth Proportional to 371,287.80, 556,842.51 and 171,416.25

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Solution

The fourth proportional to 371,287.80, 556,842.51 and 171,416.25 is: 257,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,287.80 : 556,842.51 = 171,416.25 : x
  2. Step 2: Convert to fraction form
    371,287.80/556,842.51 = 171,416.25/x
  3. Step 3: Cross multiply
    371,287.80x = 556,842.51 × 171,416.25
  4. Step 4: Simplify right side
    371,287.80x = 95,451,854,904.79
  5. Step 5: Solve for x
    x = 95,451,854,904.79/371,287.80
  6. Step 6: Final answer
    x = 257,083.20

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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.