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Finding the Fourth Proportional to 276,362.02, 413,878.72 and 157,673.53

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Solution

The fourth proportional to 276,362.02, 413,878.72 and 157,673.53 is: 236,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,362.02 : 413,878.72 = 157,673.53 : x
  2. Step 2: Convert to fraction form
    276,362.02/413,878.72 = 157,673.53/x
  3. Step 3: Cross multiply
    276,362.02x = 413,878.72 × 157,673.53
  4. Step 4: Simplify right side
    276,362.02x = 65,257,718,897.45
  5. Step 5: Solve for x
    x = 65,257,718,897.45/276,362.02
  6. Step 6: Final answer
    x = 236,131.28

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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.