Home / 357,150.24-492,741.36-219,281.76

Finding the Fourth Proportional to 357,150.24, 492,741.36 and 219,281.76

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Solution

The fourth proportional to 357,150.24, 492,741.36 and 219,281.76 is: 302,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,150.24 : 492,741.36 = 219,281.76 : x
  2. Step 2: Convert to fraction form
    357,150.24/492,741.36 = 219,281.76/x
  3. Step 3: Cross multiply
    357,150.24x = 492,741.36 × 219,281.76
  4. Step 4: Simplify right side
    357,150.24x = 108,049,192,645.59
  5. Step 5: Solve for x
    x = 108,049,192,645.59/357,150.24
  6. Step 6: Final answer
    x = 302,531.49

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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.