Home / 355,555.80-533,334.24-145,193.76

Finding the Fourth Proportional to 355,555.80, 533,334.24 and 145,193.76

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Solution

The fourth proportional to 355,555.80, 533,334.24 and 145,193.76 is: 217,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,555.80 : 533,334.24 = 145,193.76 : x
  2. Step 2: Convert to fraction form
    355,555.80/533,334.24 = 145,193.76/x
  3. Step 3: Cross multiply
    355,555.80x = 533,334.24 × 145,193.76
  4. Step 4: Simplify right side
    355,555.80x = 77,436,803,642.34
  5. Step 5: Solve for x
    x = 77,436,803,642.34/355,555.80
  6. Step 6: Final answer
    x = 217,790.86

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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.