Home / 397,999.08-549,061.29-268,896.06

Finding the Fourth Proportional to 397,999.08, 549,061.29 and 268,896.06

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Solution

The fourth proportional to 397,999.08, 549,061.29 and 268,896.06 is: 370,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,999.08 : 549,061.29 = 268,896.06 : x
  2. Step 2: Convert to fraction form
    397,999.08/549,061.29 = 268,896.06/x
  3. Step 3: Cross multiply
    397,999.08x = 549,061.29 × 268,896.06
  4. Step 4: Simplify right side
    397,999.08x = 147,640,417,579.52
  5. Step 5: Solve for x
    x = 147,640,417,579.52/397,999.08
  6. Step 6: Final answer
    x = 370,956.68

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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.