Home / 495,453.36-743,034.22-140,498.40

Finding the Fourth Proportional to 495,453.36, 743,034.22 and 140,498.40

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Solution

The fourth proportional to 495,453.36, 743,034.22 and 140,498.40 is: 210,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,453.36 : 743,034.22 = 140,498.40 : x
  2. Step 2: Convert to fraction form
    495,453.36/743,034.22 = 140,498.40/x
  3. Step 3: Cross multiply
    495,453.36x = 743,034.22 × 140,498.40
  4. Step 4: Simplify right side
    495,453.36x = 104,395,119,055.25
  5. Step 5: Solve for x
    x = 104,395,119,055.25/495,453.36
  6. Step 6: Final answer
    x = 210,706.25

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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.