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Finding the Fourth Proportional to 358,598.60, 537,956.24 and 105,904.64

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Solution

The fourth proportional to 358,598.60, 537,956.24 and 105,904.64 is: 158,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,598.60 : 537,956.24 = 105,904.64 : x
  2. Step 2: Convert to fraction form
    358,598.60/537,956.24 = 105,904.64/x
  3. Step 3: Cross multiply
    358,598.60x = 537,956.24 × 105,904.64
  4. Step 4: Simplify right side
    358,598.60x = 56,972,061,932.95
  5. Step 5: Solve for x
    x = 56,972,061,932.95/358,598.60
  6. Step 6: Final answer
    x = 158,874.19

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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.