Home / 355,430.10-532,367.55-214,943.70

Finding the Fourth Proportional to 355,430.10, 532,367.55 and 214,943.70

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Solution

The fourth proportional to 355,430.10, 532,367.55 and 214,943.70 is: 321,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,430.10 : 532,367.55 = 214,943.70 : x
  2. Step 2: Convert to fraction form
    355,430.10/532,367.55 = 214,943.70/x
  3. Step 3: Cross multiply
    355,430.10x = 532,367.55 × 214,943.70
  4. Step 4: Simplify right side
    355,430.10x = 114,429,050,956.94
  5. Step 5: Solve for x
    x = 114,429,050,956.94/355,430.10
  6. Step 6: Final answer
    x = 321,945.30

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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.