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Finding the Fourth Proportional to 310,172.08, 428,050.68 and 176,048.56

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Solution

The fourth proportional to 310,172.08, 428,050.68 and 176,048.56 is: 242,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,172.08 : 428,050.68 = 176,048.56 : x
  2. Step 2: Convert to fraction form
    310,172.08/428,050.68 = 176,048.56/x
  3. Step 3: Cross multiply
    310,172.08x = 428,050.68 × 176,048.56
  4. Step 4: Simplify right side
    310,172.08x = 75,357,705,821.02
  5. Step 5: Solve for x
    x = 75,357,705,821.02/310,172.08
  6. Step 6: Final answer
    x = 242,954.51

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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.