Home / 251,674.20-347,360.13-144,316.80

Finding the Fourth Proportional to 251,674.20, 347,360.13 and 144,316.80

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Solution

The fourth proportional to 251,674.20, 347,360.13 and 144,316.80 is: 199,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,674.20 : 347,360.13 = 144,316.80 : x
  2. Step 2: Convert to fraction form
    251,674.20/347,360.13 = 144,316.80/x
  3. Step 3: Cross multiply
    251,674.20x = 347,360.13 × 144,316.80
  4. Step 4: Simplify right side
    251,674.20x = 50,129,902,409.18
  5. Step 5: Solve for x
    x = 50,129,902,409.18/251,674.20
  6. Step 6: Final answer
    x = 199,185.70

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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.