Home / 255,513.04-383,325.64-75,584.40

Finding the Fourth Proportional to 255,513.04, 383,325.64 and 75,584.40

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Solution

The fourth proportional to 255,513.04, 383,325.64 and 75,584.40 is: 113,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,513.04 : 383,325.64 = 75,584.40 : x
  2. Step 2: Convert to fraction form
    255,513.04/383,325.64 = 75,584.40/x
  3. Step 3: Cross multiply
    255,513.04x = 383,325.64 × 75,584.40
  4. Step 4: Simplify right side
    255,513.04x = 28,973,438,504.02
  5. Step 5: Solve for x
    x = 28,973,438,504.02/255,513.04
  6. Step 6: Final answer
    x = 113,393.19

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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.