Home / 403,869.30-557,434.62-251,022.93

Finding the Fourth Proportional to 403,869.30, 557,434.62 and 251,022.93

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Solution

The fourth proportional to 403,869.30, 557,434.62 and 251,022.93 is: 346,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,869.30 : 557,434.62 = 251,022.93 : x
  2. Step 2: Convert to fraction form
    403,869.30/557,434.62 = 251,022.93/x
  3. Step 3: Cross multiply
    403,869.30x = 557,434.62 × 251,022.93
  4. Step 4: Simplify right side
    403,869.30x = 139,928,871,595.84
  5. Step 5: Solve for x
    x = 139,928,871,595.84/403,869.30
  6. Step 6: Final answer
    x = 346,470.68

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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.