Home / 355,228.20-532,907.10-144,887.40

Finding the Fourth Proportional to 355,228.20, 532,907.10 and 144,887.40

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Solution

The fourth proportional to 355,228.20, 532,907.10 and 144,887.40 is: 217,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,228.20 : 532,907.10 = 144,887.40 : x
  2. Step 2: Convert to fraction form
    355,228.20/532,907.10 = 144,887.40/x
  3. Step 3: Cross multiply
    355,228.20x = 532,907.10 × 144,887.40
  4. Step 4: Simplify right side
    355,228.20x = 77,211,524,160.54
  5. Step 5: Solve for x
    x = 77,211,524,160.54/355,228.20
  6. Step 6: Final answer
    x = 217,357.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.