Home / 288,783.72-433,224.90-89,100.36

Finding the Fourth Proportional to 288,783.72, 433,224.90 and 89,100.36

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Solution

The fourth proportional to 288,783.72, 433,224.90 and 89,100.36 is: 133,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,783.72 : 433,224.90 = 89,100.36 : x
  2. Step 2: Convert to fraction form
    288,783.72/433,224.90 = 89,100.36/x
  3. Step 3: Cross multiply
    288,783.72x = 433,224.90 × 89,100.36
  4. Step 4: Simplify right side
    288,783.72x = 38,600,494,550.96
  5. Step 5: Solve for x
    x = 38,600,494,550.96/288,783.72
  6. Step 6: Final answer
    x = 133,665.76

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1.5x scale

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.