Home / 389,277.04-537,220.72-219,507.52

Finding the Fourth Proportional to 389,277.04, 537,220.72 and 219,507.52

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Solution

The fourth proportional to 389,277.04, 537,220.72 and 219,507.52 is: 302,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,277.04 : 537,220.72 = 219,507.52 : x
  2. Step 2: Convert to fraction form
    389,277.04/537,220.72 = 219,507.52/x
  3. Step 3: Cross multiply
    389,277.04x = 537,220.72 × 219,507.52
  4. Step 4: Simplify right side
    389,277.04x = 117,923,987,939.81
  5. Step 5: Solve for x
    x = 117,923,987,939.81/389,277.04
  6. Step 6: Final answer
    x = 302,930.76

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1.5x scale

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.