Home / 248,114.10-371,988.90-98,280.30

Finding the Fourth Proportional to 248,114.10, 371,988.90 and 98,280.30

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Solution

The fourth proportional to 248,114.10, 371,988.90 and 98,280.30 is: 147,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,114.10 : 371,988.90 = 98,280.30 : x
  2. Step 2: Convert to fraction form
    248,114.10/371,988.90 = 98,280.30/x
  3. Step 3: Cross multiply
    248,114.10x = 371,988.90 × 98,280.30
  4. Step 4: Simplify right side
    248,114.10x = 36,559,180,688.67
  5. Step 5: Solve for x
    x = 36,559,180,688.67/248,114.10
  6. Step 6: Final answer
    x = 147,348.26

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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.