Home / 257,415.46-354,839.56-180,719.39

Finding the Fourth Proportional to 257,415.46, 354,839.56 and 180,719.39

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Solution

The fourth proportional to 257,415.46, 354,839.56 and 180,719.39 is: 249,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,415.46 : 354,839.56 = 180,719.39 : x
  2. Step 2: Convert to fraction form
    257,415.46/354,839.56 = 180,719.39/x
  3. Step 3: Cross multiply
    257,415.46x = 354,839.56 × 180,719.39
  4. Step 4: Simplify right side
    257,415.46x = 64,126,389,266.37
  5. Step 5: Solve for x
    x = 64,126,389,266.37/257,415.46
  6. Step 6: Final answer
    x = 249,116.31

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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.