Home / 317,729.96-438,466.20-174,499.28

Finding the Fourth Proportional to 317,729.96, 438,466.20 and 174,499.28

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Solution

The fourth proportional to 317,729.96, 438,466.20 and 174,499.28 is: 240,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,729.96 : 438,466.20 = 174,499.28 : x
  2. Step 2: Convert to fraction form
    317,729.96/438,466.20 = 174,499.28/x
  3. Step 3: Cross multiply
    317,729.96x = 438,466.20 × 174,499.28
  4. Step 4: Simplify right side
    317,729.96x = 76,512,036,204.34
  5. Step 5: Solve for x
    x = 76,512,036,204.34/317,729.96
  6. Step 6: Final answer
    x = 240,808.38

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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.