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Finding the Fourth Proportional to 358,565.40, 537,848.46 and 92,326.50

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Solution

The fourth proportional to 358,565.40, 537,848.46 and 92,326.50 is: 138,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,565.40 : 537,848.46 = 92,326.50 : x
  2. Step 2: Convert to fraction form
    358,565.40/537,848.46 = 92,326.50/x
  3. Step 3: Cross multiply
    358,565.40x = 537,848.46 × 92,326.50
  4. Step 4: Simplify right side
    358,565.40x = 49,657,665,842.19
  5. Step 5: Solve for x
    x = 49,657,665,842.19/358,565.40
  6. Step 6: Final answer
    x = 138,489.84

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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.