Home / 317,820.26-438,484.88-179,980.31

Finding the Fourth Proportional to 317,820.26, 438,484.88 and 179,980.31

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Solution

The fourth proportional to 317,820.26, 438,484.88 and 179,980.31 is: 248,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,820.26 : 438,484.88 = 179,980.31 : x
  2. Step 2: Convert to fraction form
    317,820.26/438,484.88 = 179,980.31/x
  3. Step 3: Cross multiply
    317,820.26x = 438,484.88 × 179,980.31
  4. Step 4: Simplify right side
    317,820.26x = 78,918,641,540.39
  5. Step 5: Solve for x
    x = 78,918,641,540.39/317,820.26
  6. Step 6: Final answer
    x = 248,312.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.