Home / 355,564.27-533,346.91-145,202.20

Finding the Fourth Proportional to 355,564.27, 533,346.91 and 145,202.20

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Solution

The fourth proportional to 355,564.27, 533,346.91 and 145,202.20 is: 217,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,564.27 : 533,346.91 = 145,202.20 : x
  2. Step 2: Convert to fraction form
    355,564.27/533,346.91 = 145,202.20/x
  3. Step 3: Cross multiply
    355,564.27x = 533,346.91 × 145,202.20
  4. Step 4: Simplify right side
    355,564.27x = 77,443,146,611.48
  5. Step 5: Solve for x
    x = 77,443,146,611.48/355,564.27
  6. Step 6: Final answer
    x = 217,803.51

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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.