Home / 400,827.84-553,242.24-231,164.16

Finding the Fourth Proportional to 400,827.84, 553,242.24 and 231,164.16

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Solution

The fourth proportional to 400,827.84, 553,242.24 and 231,164.16 is: 319,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,827.84 : 553,242.24 = 231,164.16 : x
  2. Step 2: Convert to fraction form
    400,827.84/553,242.24 = 231,164.16/x
  3. Step 3: Cross multiply
    400,827.84x = 553,242.24 × 231,164.16
  4. Step 4: Simplify right side
    400,827.84x = 127,889,777,686.12
  5. Step 5: Solve for x
    x = 127,889,777,686.12/400,827.84
  6. Step 6: Final answer
    x = 319,064.11

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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.