Home / 239,530.11-358,216.70-213,031.87

Finding the Fourth Proportional to 239,530.11, 358,216.70 and 213,031.87

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Solution

The fourth proportional to 239,530.11, 358,216.70 and 213,031.87 is: 318,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,530.11 : 358,216.70 = 213,031.87 : x
  2. Step 2: Convert to fraction form
    239,530.11/358,216.70 = 213,031.87/x
  3. Step 3: Cross multiply
    239,530.11x = 358,216.70 × 213,031.87
  4. Step 4: Simplify right side
    239,530.11x = 76,311,573,647.71
  5. Step 5: Solve for x
    x = 76,311,573,647.71/239,530.11
  6. Step 6: Final answer
    x = 318,588.65

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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.