Home / 288,007.45-432,011.18-204,026.65

Finding the Fourth Proportional to 288,007.45, 432,011.18 and 204,026.65

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Solution

The fourth proportional to 288,007.45, 432,011.18 and 204,026.65 is: 306,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,007.45 : 432,011.18 = 204,026.65 : x
  2. Step 2: Convert to fraction form
    288,007.45/432,011.18 = 204,026.65/x
  3. Step 3: Cross multiply
    288,007.45x = 432,011.18 × 204,026.65
  4. Step 4: Simplify right side
    288,007.45x = 88,141,792,797.81
  5. Step 5: Solve for x
    x = 88,141,792,797.81/288,007.45
  6. Step 6: Final answer
    x = 306,039.98

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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.