Home / 248,920.40-373,380.60-71,433.20

Finding the Fourth Proportional to 248,920.40, 373,380.60 and 71,433.20

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Solution

The fourth proportional to 248,920.40, 373,380.60 and 71,433.20 is: 107,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,920.40 : 373,380.60 = 71,433.20 : x
  2. Step 2: Convert to fraction form
    248,920.40/373,380.60 = 71,433.20/x
  3. Step 3: Cross multiply
    248,920.40x = 373,380.60 × 71,433.20
  4. Step 4: Simplify right side
    248,920.40x = 26,671,771,075.92
  5. Step 5: Solve for x
    x = 26,671,771,075.92/248,920.40
  6. Step 6: Final answer
    x = 107,149.80

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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.