Home / 288,845.10-433,130.91-168,936.75

Finding the Fourth Proportional to 288,845.10, 433,130.91 and 168,936.75

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Solution

The fourth proportional to 288,845.10, 433,130.91 and 168,936.75 is: 253,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,845.10 : 433,130.91 = 168,936.75 : x
  2. Step 2: Convert to fraction form
    288,845.10/433,130.91 = 168,936.75/x
  3. Step 3: Cross multiply
    288,845.10x = 433,130.91 × 168,936.75
  4. Step 4: Simplify right side
    288,845.10x = 73,171,728,259.94
  5. Step 5: Solve for x
    x = 73,171,728,259.94/288,845.10
  6. Step 6: Final answer
    x = 253,325.15

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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.