Home / 495,497.18-743,085.83-140,415.86

Finding the Fourth Proportional to 495,497.18, 743,085.83 and 140,415.86

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Solution

The fourth proportional to 495,497.18, 743,085.83 and 140,415.86 is: 210,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,497.18 : 743,085.83 = 140,415.86 : x
  2. Step 2: Convert to fraction form
    495,497.18/743,085.83 = 140,415.86/x
  3. Step 3: Cross multiply
    495,497.18x = 743,085.83 × 140,415.86
  4. Step 4: Simplify right side
    495,497.18x = 104,341,035,873.26
  5. Step 5: Solve for x
    x = 104,341,035,873.26/495,497.18
  6. Step 6: Final answer
    x = 210,578.47

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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.