Home / 330,265.26-495,408.83-105,657.93

Finding the Fourth Proportional to 330,265.26, 495,408.83 and 105,657.93

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Solution

The fourth proportional to 330,265.26, 495,408.83 and 105,657.93 is: 158,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,265.26 : 495,408.83 = 105,657.93 : x
  2. Step 2: Convert to fraction form
    330,265.26/495,408.83 = 105,657.93/x
  3. Step 3: Cross multiply
    330,265.26x = 495,408.83 × 105,657.93
  4. Step 4: Simplify right side
    330,265.26x = 52,343,870,953.23
  5. Step 5: Solve for x
    x = 52,343,870,953.23/330,265.26
  6. Step 6: Final answer
    x = 158,490.39

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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.