Home / 400,927.16-553,256.24-219,607.53

Finding the Fourth Proportional to 400,927.16, 553,256.24 and 219,607.53

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Solution

The fourth proportional to 400,927.16, 553,256.24 and 219,607.53 is: 303,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,927.16 : 553,256.24 = 219,607.53 : x
  2. Step 2: Convert to fraction form
    400,927.16/553,256.24 = 219,607.53/x
  3. Step 3: Cross multiply
    400,927.16x = 553,256.24 × 219,607.53
  4. Step 4: Simplify right side
    400,927.16x = 121,499,233,150.74
  5. Step 5: Solve for x
    x = 121,499,233,150.74/400,927.16
  6. Step 6: Final answer
    x = 303,045.65

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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.