Home / 394,916.20-592,811.70-245,325.40

Finding the Fourth Proportional to 394,916.20, 592,811.70 and 245,325.40

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Solution

The fourth proportional to 394,916.20, 592,811.70 and 245,325.40 is: 368,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,916.20 : 592,811.70 = 245,325.40 : x
  2. Step 2: Convert to fraction form
    394,916.20/592,811.70 = 245,325.40/x
  3. Step 3: Cross multiply
    394,916.20x = 592,811.70 × 245,325.40
  4. Step 4: Simplify right side
    394,916.20x = 145,431,767,427.18
  5. Step 5: Solve for x
    x = 145,431,767,427.18/394,916.20
  6. Step 6: Final answer
    x = 368,259.82

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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.