Home / 313,117.58-469,139.56-210,342.30

Finding the Fourth Proportional to 313,117.58, 469,139.56 and 210,342.30

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Solution

The fourth proportional to 313,117.58, 469,139.56 and 210,342.30 is: 315,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,117.58 : 469,139.56 = 210,342.30 : x
  2. Step 2: Convert to fraction form
    313,117.58/469,139.56 = 210,342.30/x
  3. Step 3: Cross multiply
    313,117.58x = 469,139.56 × 210,342.30
  4. Step 4: Simplify right side
    313,117.58x = 98,679,891,786.26
  5. Step 5: Solve for x
    x = 98,679,891,786.26/313,117.58
  6. Step 6: Final answer
    x = 315,152.83

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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.