Home / 495,332.41-742,990.65-195,815.77

Finding the Fourth Proportional to 495,332.41, 742,990.65 and 195,815.77

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Solution

The fourth proportional to 495,332.41, 742,990.65 and 195,815.77 is: 293,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,332.41 : 742,990.65 = 195,815.77 : x
  2. Step 2: Convert to fraction form
    495,332.41/742,990.65 = 195,815.77/x
  3. Step 3: Cross multiply
    495,332.41x = 742,990.65 × 195,815.77
  4. Step 4: Simplify right side
    495,332.41x = 145,489,286,232.55
  5. Step 5: Solve for x
    x = 145,489,286,232.55/495,332.41
  6. Step 6: Final answer
    x = 293,720.51

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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.