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Finding the Fourth Proportional to 321,750.56, 480,013.32 and 304,332.32

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Solution

The fourth proportional to 321,750.56, 480,013.32 and 304,332.32 is: 454,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,750.56 : 480,013.32 = 304,332.32 : x
  2. Step 2: Convert to fraction form
    321,750.56/480,013.32 = 304,332.32/x
  3. Step 3: Cross multiply
    321,750.56x = 480,013.32 × 304,332.32
  4. Step 4: Simplify right side
    321,750.56x = 146,083,567,306.50
  5. Step 5: Solve for x
    x = 146,083,567,306.50/321,750.56
  6. Step 6: Final answer
    x = 454,027.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.