Home / 449,429.32-620,187.06-268,345.72

Finding the Fourth Proportional to 449,429.32, 620,187.06 and 268,345.72

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Solution

The fourth proportional to 449,429.32, 620,187.06 and 268,345.72 is: 370,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,429.32 : 620,187.06 = 268,345.72 : x
  2. Step 2: Convert to fraction form
    449,429.32/620,187.06 = 268,345.72/x
  3. Step 3: Cross multiply
    449,429.32x = 620,187.06 × 268,345.72
  4. Step 4: Simplify right side
    449,429.32x = 166,424,543,150.38
  5. Step 5: Solve for x
    x = 166,424,543,150.38/449,429.32
  6. Step 6: Final answer
    x = 370,301.93

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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.