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Finding the Fourth Proportional to 442,506.33, 610,485.48 and 272,445.21

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Solution

The fourth proportional to 442,506.33, 610,485.48 and 272,445.21 is: 375,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,506.33 : 610,485.48 = 272,445.21 : x
  2. Step 2: Convert to fraction form
    442,506.33/610,485.48 = 272,445.21/x
  3. Step 3: Cross multiply
    442,506.33x = 610,485.48 × 272,445.21
  4. Step 4: Simplify right side
    442,506.33x = 166,323,844,800.55
  5. Step 5: Solve for x
    x = 166,323,844,800.55/442,506.33
  6. Step 6: Final answer
    x = 375,867.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.