Home / 266,772.28-368,157.54-153,631.48

Finding the Fourth Proportional to 266,772.28, 368,157.54 and 153,631.48

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Solution

The fourth proportional to 266,772.28, 368,157.54 and 153,631.48 is: 212,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,772.28 : 368,157.54 = 153,631.48 : x
  2. Step 2: Convert to fraction form
    266,772.28/368,157.54 = 153,631.48/x
  3. Step 3: Cross multiply
    266,772.28x = 368,157.54 × 153,631.48
  4. Step 4: Simplify right side
    266,772.28x = 56,560,587,743.36
  5. Step 5: Solve for x
    x = 56,560,587,743.36/266,772.28
  6. Step 6: Final answer
    x = 212,018.23

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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.