Home / 310,272.04-428,175.16-176,136.04

Finding the Fourth Proportional to 310,272.04, 428,175.16 and 176,136.04

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Solution

The fourth proportional to 310,272.04, 428,175.16 and 176,136.04 is: 243,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,272.04 : 428,175.16 = 176,136.04 : x
  2. Step 2: Convert to fraction form
    310,272.04/428,175.16 = 176,136.04/x
  3. Step 3: Cross multiply
    310,272.04x = 428,175.16 × 176,136.04
  4. Step 4: Simplify right side
    310,272.04x = 75,417,077,108.77
  5. Step 5: Solve for x
    x = 75,417,077,108.77/310,272.04
  6. Step 6: Final answer
    x = 243,067.59

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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.