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Finding the Fourth Proportional to 375,454.58, 564,780.08 and 340,339.37

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Solution

The fourth proportional to 375,454.58, 564,780.08 and 340,339.37 is: 511,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,454.58 : 564,780.08 = 340,339.37 : x
  2. Step 2: Convert to fraction form
    375,454.58/564,780.08 = 340,339.37/x
  3. Step 3: Cross multiply
    375,454.58x = 564,780.08 × 340,339.37
  4. Step 4: Simplify right side
    375,454.58x = 192,216,892,090.15
  5. Step 5: Solve for x
    x = 192,216,892,090.15/375,454.58
  6. Step 6: Final answer
    x = 511,957.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.