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Finding the Fourth Proportional to 595,266.45, 892,890.96 and 145,990.74

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Solution

The fourth proportional to 595,266.45, 892,890.96 and 145,990.74 is: 218,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,266.45 : 892,890.96 = 145,990.74 : x
  2. Step 2: Convert to fraction form
    595,266.45/892,890.96 = 145,990.74/x
  3. Step 3: Cross multiply
    595,266.45x = 892,890.96 × 145,990.74
  4. Step 4: Simplify right side
    595,266.45x = 130,353,811,989.71
  5. Step 5: Solve for x
    x = 130,353,811,989.71/595,266.45
  6. Step 6: Final answer
    x = 218,983.97

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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.