Home / 266,727.68-368,498.63-223,640.36

Finding the Fourth Proportional to 266,727.68, 368,498.63 and 223,640.36

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Solution

The fourth proportional to 266,727.68, 368,498.63 and 223,640.36 is: 308,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,727.68 : 368,498.63 = 223,640.36 : x
  2. Step 2: Convert to fraction form
    266,727.68/368,498.63 = 223,640.36/x
  3. Step 3: Cross multiply
    266,727.68x = 368,498.63 × 223,640.36
  4. Step 4: Simplify right side
    266,727.68x = 82,411,164,989.31
  5. Step 5: Solve for x
    x = 82,411,164,989.31/266,727.68
  6. Step 6: Final answer
    x = 308,971.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.