Home / 393,500.08-590,268.57-127,281.35

Finding the Fourth Proportional to 393,500.08, 590,268.57 and 127,281.35

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Solution

The fourth proportional to 393,500.08, 590,268.57 and 127,281.35 is: 190,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,500.08 : 590,268.57 = 127,281.35 : x
  2. Step 2: Convert to fraction form
    393,500.08/590,268.57 = 127,281.35/x
  3. Step 3: Cross multiply
    393,500.08x = 590,268.57 × 127,281.35
  4. Step 4: Simplify right side
    393,500.08x = 75,130,179,790.41
  5. Step 5: Solve for x
    x = 75,130,179,790.41/393,500.08
  6. Step 6: Final answer
    x = 190,927.99

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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.