Home / 323,583.12-485,374.70-98,943.53

Finding the Fourth Proportional to 323,583.12, 485,374.70 and 98,943.53

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Solution

The fourth proportional to 323,583.12, 485,374.70 and 98,943.53 is: 148,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,583.12 : 485,374.70 = 98,943.53 : x
  2. Step 2: Convert to fraction form
    323,583.12/485,374.70 = 98,943.53/x
  3. Step 3: Cross multiply
    323,583.12x = 485,374.70 × 98,943.53
  4. Step 4: Simplify right side
    323,583.12x = 48,024,683,269.10
  5. Step 5: Solve for x
    x = 48,024,683,269.10/323,583.12
  6. Step 6: Final answer
    x = 148,415.29

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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.