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Finding the Fourth Proportional to 207,303.36, 310,977.26 and 57,544.29

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Solution

The fourth proportional to 207,303.36, 310,977.26 and 57,544.29 is: 86,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,303.36 : 310,977.26 = 57,544.29 : x
  2. Step 2: Convert to fraction form
    207,303.36/310,977.26 = 57,544.29/x
  3. Step 3: Cross multiply
    207,303.36x = 310,977.26 × 57,544.29
  4. Step 4: Simplify right side
    207,303.36x = 17,894,965,632.85
  5. Step 5: Solve for x
    x = 17,894,965,632.85/207,303.36
  6. Step 6: Final answer
    x = 86,322.60

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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.