Home / 310,440.40-465,271-132,738.48

Finding the Fourth Proportional to 310,440.40, 465,271 and 132,738.48

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Solution

The fourth proportional to 310,440.40, 465,271 and 132,738.48 is: 198,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,440.40 : 465,271 = 132,738.48 : x
  2. Step 2: Convert to fraction form
    310,440.40/465,271 = 132,738.48/x
  3. Step 3: Cross multiply
    310,440.40x = 465,271 × 132,738.48
  4. Step 4: Simplify right side
    310,440.40x = 61,759,365,328.08
  5. Step 5: Solve for x
    x = 61,759,365,328.08/310,440.40
  6. Step 6: Final answer
    x = 198,941.13

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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.