Home / 391,493.24-540,281.83-219,466.46

Finding the Fourth Proportional to 391,493.24, 540,281.83 and 219,466.46

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Solution

The fourth proportional to 391,493.24, 540,281.83 and 219,466.46 is: 302,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,493.24 : 540,281.83 = 219,466.46 : x
  2. Step 2: Convert to fraction form
    391,493.24/540,281.83 = 219,466.46/x
  3. Step 3: Cross multiply
    391,493.24x = 540,281.83 × 219,466.46
  4. Step 4: Simplify right side
    391,493.24x = 118,573,739,352.87
  5. Step 5: Solve for x
    x = 118,573,739,352.87/391,493.24
  6. Step 6: Final answer
    x = 302,875.57

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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.