Home / 310,218.18-465,721.02-263,766.30

Finding the Fourth Proportional to 310,218.18, 465,721.02 and 263,766.30

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Solution

The fourth proportional to 310,218.18, 465,721.02 and 263,766.30 is: 395,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,218.18 : 465,721.02 = 263,766.30 : x
  2. Step 2: Convert to fraction form
    310,218.18/465,721.02 = 263,766.30/x
  3. Step 3: Cross multiply
    310,218.18x = 465,721.02 × 263,766.30
  4. Step 4: Simplify right side
    310,218.18x = 122,841,510,277.63
  5. Step 5: Solve for x
    x = 122,841,510,277.63/310,218.18
  6. Step 6: Final answer
    x = 395,984.24

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1.5x scale

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.