Home / 495,528.12-743,288.67-140,541.84

Finding the Fourth Proportional to 495,528.12, 743,288.67 and 140,541.84

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Solution

The fourth proportional to 495,528.12, 743,288.67 and 140,541.84 is: 210,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,528.12 : 743,288.67 = 140,541.84 : x
  2. Step 2: Convert to fraction form
    495,528.12/743,288.67 = 140,541.84/x
  3. Step 3: Cross multiply
    495,528.12x = 743,288.67 × 140,541.84
  4. Step 4: Simplify right side
    495,528.12x = 104,463,157,332.95
  5. Step 5: Solve for x
    x = 104,463,157,332.95/495,528.12
  6. Step 6: Final answer
    x = 210,811.76

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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.