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Finding the Fourth Proportional to 288,586.08, 432,882 and 101,599.20

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Solution

The fourth proportional to 288,586.08, 432,882 and 101,599.20 is: 152,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,586.08 : 432,882 = 101,599.20 : x
  2. Step 2: Convert to fraction form
    288,586.08/432,882 = 101,599.20/x
  3. Step 3: Cross multiply
    288,586.08x = 432,882 × 101,599.20
  4. Step 4: Simplify right side
    288,586.08x = 43,980,464,894.40
  5. Step 5: Solve for x
    x = 43,980,464,894.40/288,586.08
  6. Step 6: Final answer
    x = 152,399.81

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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.