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Finding the Fourth Proportional to 330,344.99, 495,510.75 and 105,705.39

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Solution

The fourth proportional to 330,344.99, 495,510.75 and 105,705.39 is: 158,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,344.99 : 495,510.75 = 105,705.39 : x
  2. Step 2: Convert to fraction form
    330,344.99/495,510.75 = 105,705.39/x
  3. Step 3: Cross multiply
    330,344.99x = 495,510.75 × 105,705.39
  4. Step 4: Simplify right side
    330,344.99x = 52,378,157,077.94
  5. Step 5: Solve for x
    x = 52,378,157,077.94/330,344.99
  6. Step 6: Final answer
    x = 158,555.93

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1.5x scale

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.