Home / 261,800.02-361,274.34-159,995.80

Finding the Fourth Proportional to 261,800.02, 361,274.34 and 159,995.80

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Solution

The fourth proportional to 261,800.02, 361,274.34 and 159,995.80 is: 220,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,800.02 : 361,274.34 = 159,995.80 : x
  2. Step 2: Convert to fraction form
    261,800.02/361,274.34 = 159,995.80/x
  3. Step 3: Cross multiply
    261,800.02x = 361,274.34 × 159,995.80
  4. Step 4: Simplify right side
    261,800.02x = 57,802,377,047.77
  5. Step 5: Solve for x
    x = 57,802,377,047.77/261,800.02
  6. Step 6: Final answer
    x = 220,788.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.