Home / 495,577.80-743,366.70-140,603.40

Finding the Fourth Proportional to 495,577.80, 743,366.70 and 140,603.40

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Solution

The fourth proportional to 495,577.80, 743,366.70 and 140,603.40 is: 210,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,577.80 : 743,366.70 = 140,603.40 : x
  2. Step 2: Convert to fraction form
    495,577.80/743,366.70 = 140,603.40/x
  3. Step 3: Cross multiply
    495,577.80x = 743,366.70 × 140,603.40
  4. Step 4: Simplify right side
    495,577.80x = 104,519,885,466.78
  5. Step 5: Solve for x
    x = 104,519,885,466.78/495,577.80
  6. Step 6: Final answer
    x = 210,905.10

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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.