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Finding the Fourth Proportional to 207,237.31, 310,855.95 and 57,477.60

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Solution

The fourth proportional to 207,237.31, 310,855.95 and 57,477.60 is: 86,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,237.31 : 310,855.95 = 57,477.60 : x
  2. Step 2: Convert to fraction form
    207,237.31/310,855.95 = 57,477.60/x
  3. Step 3: Cross multiply
    207,237.31x = 310,855.95 × 57,477.60
  4. Step 4: Simplify right side
    207,237.31x = 17,867,253,951.72
  5. Step 5: Solve for x
    x = 17,867,253,951.72/207,237.31
  6. Step 6: Final answer
    x = 86,216.40

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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.