Home / 308,189.10-462,240.57-105,782.05

Finding the Fourth Proportional to 308,189.10, 462,240.57 and 105,782.05

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Solution

The fourth proportional to 308,189.10, 462,240.57 and 105,782.05 is: 158,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,189.10 : 462,240.57 = 105,782.05 : x
  2. Step 2: Convert to fraction form
    308,189.10/462,240.57 = 105,782.05/x
  3. Step 3: Cross multiply
    308,189.10x = 462,240.57 × 105,782.05
  4. Step 4: Simplify right side
    308,189.10x = 48,896,756,062.25
  5. Step 5: Solve for x
    x = 48,896,756,062.25/308,189.10
  6. Step 6: Final answer
    x = 158,658.29

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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.