Home / 495,686-743,527.54-140,700.32

Finding the Fourth Proportional to 495,686, 743,527.54 and 140,700.32

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Solution

The fourth proportional to 495,686, 743,527.54 and 140,700.32 is: 211,050.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,686 : 743,527.54 = 140,700.32 : x
  2. Step 2: Convert to fraction form
    495,686/743,527.54 = 140,700.32/x
  3. Step 3: Cross multiply
    495,686x = 743,527.54 × 140,700.32
  4. Step 4: Simplify right side
    495,686x = 104,614,562,806.81
  5. Step 5: Solve for x
    x = 104,614,562,806.81/495,686
  6. Step 6: Final answer
    x = 211,050.07

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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.