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Finding the Fourth Proportional to 370,953.76, 511,727.72 and 234,758.16

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Solution

The fourth proportional to 370,953.76, 511,727.72 and 234,758.16 is: 323,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,953.76 : 511,727.72 = 234,758.16 : x
  2. Step 2: Convert to fraction form
    370,953.76/511,727.72 = 234,758.16/x
  3. Step 3: Cross multiply
    370,953.76x = 511,727.72 × 234,758.16
  4. Step 4: Simplify right side
    370,953.76x = 120,132,257,968.20
  5. Step 5: Solve for x
    x = 120,132,257,968.20/370,953.76
  6. Step 6: Final answer
    x = 323,846.99

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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.