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Finding the Fourth Proportional to 355,593.36, 533,476.80 and 106,275.36

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Solution

The fourth proportional to 355,593.36, 533,476.80 and 106,275.36 is: 159,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,593.36 : 533,476.80 = 106,275.36 : x
  2. Step 2: Convert to fraction form
    355,593.36/533,476.80 = 106,275.36/x
  3. Step 3: Cross multiply
    355,593.36x = 533,476.80 × 106,275.36
  4. Step 4: Simplify right side
    355,593.36x = 56,695,438,971.65
  5. Step 5: Solve for x
    x = 56,695,438,971.65/355,593.36
  6. Step 6: Final answer
    x = 159,438.97

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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.