Home / 389,567.52-537,601.05-217,475.54

Finding the Fourth Proportional to 389,567.52, 537,601.05 and 217,475.54

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Solution

The fourth proportional to 389,567.52, 537,601.05 and 217,475.54 is: 300,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,567.52 : 537,601.05 = 217,475.54 : x
  2. Step 2: Convert to fraction form
    389,567.52/537,601.05 = 217,475.54/x
  3. Step 3: Cross multiply
    389,567.52x = 537,601.05 × 217,475.54
  4. Step 4: Simplify right side
    389,567.52x = 116,915,075,965.31
  5. Step 5: Solve for x
    x = 116,915,075,965.31/389,567.52
  6. Step 6: Final answer
    x = 300,115.05

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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.