Home / 355,432.10-532,370.55-214,945.70

Finding the Fourth Proportional to 355,432.10, 532,370.55 and 214,945.70

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Solution

The fourth proportional to 355,432.10, 532,370.55 and 214,945.70 is: 321,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,432.10 : 532,370.55 = 214,945.70 : x
  2. Step 2: Convert to fraction form
    355,432.10/532,370.55 = 214,945.70/x
  3. Step 3: Cross multiply
    355,432.10x = 532,370.55 × 214,945.70
  4. Step 4: Simplify right side
    355,432.10x = 114,430,760,529.14
  5. Step 5: Solve for x
    x = 114,430,760,529.14/355,432.10
  6. Step 6: Final answer
    x = 321,948.30

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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.