Home / 288,911.80-433,289.94-101,899

Finding the Fourth Proportional to 288,911.80, 433,289.94 and 101,899

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Solution

The fourth proportional to 288,911.80, 433,289.94 and 101,899 is: 152,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,911.80 : 433,289.94 = 101,899 : x
  2. Step 2: Convert to fraction form
    288,911.80/433,289.94 = 101,899/x
  3. Step 3: Cross multiply
    288,911.80x = 433,289.94 × 101,899
  4. Step 4: Simplify right side
    288,911.80x = 44,151,811,596.06
  5. Step 5: Solve for x
    x = 44,151,811,596.06/288,911.80
  6. Step 6: Final answer
    x = 152,821.07

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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.