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Finding the Fourth Proportional to 495,603, 743,402.07 and 140,617.67

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Solution

The fourth proportional to 495,603, 743,402.07 and 140,617.67 is: 210,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,603 : 743,402.07 = 140,617.67 : x
  2. Step 2: Convert to fraction form
    495,603/743,402.07 = 140,617.67/x
  3. Step 3: Cross multiply
    495,603x = 743,402.07 × 140,617.67
  4. Step 4: Simplify right side
    495,603x = 104,535,463,239.57
  5. Step 5: Solve for x
    x = 104,535,463,239.57/495,603
  6. Step 6: Final answer
    x = 210,925.81

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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.