Home / 310,180.32-428,045.04-176,035.68

Finding the Fourth Proportional to 310,180.32, 428,045.04 and 176,035.68

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Solution

The fourth proportional to 310,180.32, 428,045.04 and 176,035.68 is: 242,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,180.32 : 428,045.04 = 176,035.68 : x
  2. Step 2: Convert to fraction form
    310,180.32/428,045.04 = 176,035.68/x
  3. Step 3: Cross multiply
    310,180.32x = 428,045.04 × 176,035.68
  4. Step 4: Simplify right side
    310,180.32x = 75,351,199,687.03
  5. Step 5: Solve for x
    x = 75,351,199,687.03/310,180.32
  6. Step 6: Final answer
    x = 242,927.08

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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.