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Finding the Fourth Proportional to 355,746.41, 533,580.15 and 89,506.97

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Solution

The fourth proportional to 355,746.41, 533,580.15 and 89,506.97 is: 134,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,746.41 : 533,580.15 = 89,506.97 : x
  2. Step 2: Convert to fraction form
    355,746.41/533,580.15 = 89,506.97/x
  3. Step 3: Cross multiply
    355,746.41x = 533,580.15 × 89,506.97
  4. Step 4: Simplify right side
    355,746.41x = 47,759,142,478.65
  5. Step 5: Solve for x
    x = 47,759,142,478.65/355,746.41
  6. Step 6: Final answer
    x = 134,250.53

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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.