Home / 401,173.14-553,701.24-231,384.18

Finding the Fourth Proportional to 401,173.14, 553,701.24 and 231,384.18

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Solution

The fourth proportional to 401,173.14, 553,701.24 and 231,384.18 is: 319,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,173.14 : 553,701.24 = 231,384.18 : x
  2. Step 2: Convert to fraction form
    401,173.14/553,701.24 = 231,384.18/x
  3. Step 3: Cross multiply
    401,173.14x = 553,701.24 × 231,384.18
  4. Step 4: Simplify right side
    401,173.14x = 128,117,707,382.38
  5. Step 5: Solve for x
    x = 128,117,707,382.38/401,173.14
  6. Step 6: Final answer
    x = 319,357.64

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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.