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Finding the Fourth Proportional to 355,999.56, 533,916.27 and 103,212.21

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Solution

The fourth proportional to 355,999.56, 533,916.27 and 103,212.21 is: 154,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,999.56 : 533,916.27 = 103,212.21 : x
  2. Step 2: Convert to fraction form
    355,999.56/533,916.27 = 103,212.21/x
  3. Step 3: Cross multiply
    355,999.56x = 533,916.27 × 103,212.21
  4. Step 4: Simplify right side
    355,999.56x = 55,106,676,566.52
  5. Step 5: Solve for x
    x = 55,106,676,566.52/355,999.56
  6. Step 6: Final answer
    x = 154,794.23

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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.