Home / 495,483-743,261.58-140,525.61

Finding the Fourth Proportional to 495,483, 743,261.58 and 140,525.61

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Solution

The fourth proportional to 495,483, 743,261.58 and 140,525.61 is: 210,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,483 : 743,261.58 = 140,525.61 : x
  2. Step 2: Convert to fraction form
    495,483/743,261.58 = 140,525.61/x
  3. Step 3: Cross multiply
    495,483x = 743,261.58 × 140,525.61
  4. Step 4: Simplify right side
    495,483x = 104,447,286,919.06
  5. Step 5: Solve for x
    x = 104,447,286,919.06/495,483
  6. Step 6: Final answer
    x = 210,798.93

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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.