Home / 318,172.30-439,066.55-174,931.24

Finding the Fourth Proportional to 318,172.30, 439,066.55 and 174,931.24

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Solution

The fourth proportional to 318,172.30, 439,066.55 and 174,931.24 is: 241,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,172.30 : 439,066.55 = 174,931.24 : x
  2. Step 2: Convert to fraction form
    318,172.30/439,066.55 = 174,931.24/x
  3. Step 3: Cross multiply
    318,172.30x = 439,066.55 × 174,931.24
  4. Step 4: Simplify right side
    318,172.30x = 76,806,456,034.02
  5. Step 5: Solve for x
    x = 76,806,456,034.02/318,172.30
  6. Step 6: Final answer
    x = 241,398.94

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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.