Home / 495,495.27-743,242.64-140,512.23

Finding the Fourth Proportional to 495,495.27, 743,242.64 and 140,512.23

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Solution

The fourth proportional to 495,495.27, 743,242.64 and 140,512.23 is: 210,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,495.27 : 743,242.64 = 140,512.23 : x
  2. Step 2: Convert to fraction form
    495,495.27/743,242.64 = 140,512.23/x
  3. Step 3: Cross multiply
    495,495.27x = 743,242.64 × 140,512.23
  4. Step 4: Simplify right side
    495,495.27x = 104,434,680,074.93
  5. Step 5: Solve for x
    x = 104,434,680,074.93/495,495.27
  6. Step 6: Final answer
    x = 210,768.27

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1.5x scale

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.