Home / 457,127.25-630,837.41-266,271.81

Finding the Fourth Proportional to 457,127.25, 630,837.41 and 266,271.81

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Solution

The fourth proportional to 457,127.25, 630,837.41 and 266,271.81 is: 367,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,127.25 : 630,837.41 = 266,271.81 : x
  2. Step 2: Convert to fraction form
    457,127.25/630,837.41 = 266,271.81/x
  3. Step 3: Cross multiply
    457,127.25x = 630,837.41 × 266,271.81
  4. Step 4: Simplify right side
    457,127.25x = 167,974,218,976.41
  5. Step 5: Solve for x
    x = 167,974,218,976.41/457,127.25
  6. Step 6: Final answer
    x = 367,456.15

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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.