Home / 291,723.46-437,585.12-70,107.46

Finding the Fourth Proportional to 291,723.46, 437,585.12 and 70,107.46

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Solution

The fourth proportional to 291,723.46, 437,585.12 and 70,107.46 is: 105,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,723.46 : 437,585.12 = 70,107.46 : x
  2. Step 2: Convert to fraction form
    291,723.46/437,585.12 = 70,107.46/x
  3. Step 3: Cross multiply
    291,723.46x = 437,585.12 × 70,107.46
  4. Step 4: Simplify right side
    291,723.46x = 30,677,981,297.00
  5. Step 5: Solve for x
    x = 30,677,981,297.00/291,723.46
  6. Step 6: Final answer
    x = 105,161.17

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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.