Home / 401,559.64-554,253.12-272,716.16

Finding the Fourth Proportional to 401,559.64, 554,253.12 and 272,716.16

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Solution

The fourth proportional to 401,559.64, 554,253.12 and 272,716.16 is: 376,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,559.64 : 554,253.12 = 272,716.16 : x
  2. Step 2: Convert to fraction form
    401,559.64/554,253.12 = 272,716.16/x
  3. Step 3: Cross multiply
    401,559.64x = 554,253.12 × 272,716.16
  4. Step 4: Simplify right side
    401,559.64x = 151,153,782,554.42
  5. Step 5: Solve for x
    x = 151,153,782,554.42/401,559.64
  6. Step 6: Final answer
    x = 376,416.77

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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.