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Finding the Fourth Proportional to 605,875.40, 908,810.34 and 156,558.07

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Solution

The fourth proportional to 605,875.40, 908,810.34 and 156,558.07 is: 234,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,875.40 : 908,810.34 = 156,558.07 : x
  2. Step 2: Convert to fraction form
    605,875.40/908,810.34 = 156,558.07/x
  3. Step 3: Cross multiply
    605,875.40x = 908,810.34 × 156,558.07
  4. Step 4: Simplify right side
    605,875.40x = 142,281,592,826.44
  5. Step 5: Solve for x
    x = 142,281,592,826.44/605,875.40
  6. Step 6: Final answer
    x = 234,836.39

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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.