Home / 391,950.28-540,826.43-230,746.51

Finding the Fourth Proportional to 391,950.28, 540,826.43 and 230,746.51

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Solution

The fourth proportional to 391,950.28, 540,826.43 and 230,746.51 is: 318,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,950.28 : 540,826.43 = 230,746.51 : x
  2. Step 2: Convert to fraction form
    391,950.28/540,826.43 = 230,746.51/x
  3. Step 3: Cross multiply
    391,950.28x = 540,826.43 × 230,746.51
  4. Step 4: Simplify right side
    391,950.28x = 124,793,811,238.26
  5. Step 5: Solve for x
    x = 124,793,811,238.26/391,950.28
  6. Step 6: Final answer
    x = 318,391.94

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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.