Home / 355,850.77-533,776.15-145,439.50

Finding the Fourth Proportional to 355,850.77, 533,776.15 and 145,439.50

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Solution

The fourth proportional to 355,850.77, 533,776.15 and 145,439.50 is: 218,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,850.77 : 533,776.15 = 145,439.50 : x
  2. Step 2: Convert to fraction form
    355,850.77/533,776.15 = 145,439.50/x
  3. Step 3: Cross multiply
    355,850.77x = 533,776.15 × 145,439.50
  4. Step 4: Simplify right side
    355,850.77x = 77,632,132,971.85
  5. Step 5: Solve for x
    x = 77,632,132,971.85/355,850.77
  6. Step 6: Final answer
    x = 218,159.24

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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.