Home / 251,999.76-347,810.04-144,642.36

Finding the Fourth Proportional to 251,999.76, 347,810.04 and 144,642.36

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Solution

The fourth proportional to 251,999.76, 347,810.04 and 144,642.36 is: 199,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,999.76 : 347,810.04 = 144,642.36 : x
  2. Step 2: Convert to fraction form
    251,999.76/347,810.04 = 144,642.36/x
  3. Step 3: Cross multiply
    251,999.76x = 347,810.04 × 144,642.36
  4. Step 4: Simplify right side
    251,999.76x = 50,308,065,017.29
  5. Step 5: Solve for x
    x = 50,308,065,017.29/251,999.76
  6. Step 6: Final answer
    x = 199,635.37

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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.