Home / 340,063.47-469,291.19-187,103.68

Finding the Fourth Proportional to 340,063.47, 469,291.19 and 187,103.68

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Solution

The fourth proportional to 340,063.47, 469,291.19 and 187,103.68 is: 258,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,063.47 : 469,291.19 = 187,103.68 : x
  2. Step 2: Convert to fraction form
    340,063.47/469,291.19 = 187,103.68/x
  3. Step 3: Cross multiply
    340,063.47x = 469,291.19 × 187,103.68
  4. Step 4: Simplify right side
    340,063.47x = 87,806,106,531.83
  5. Step 5: Solve for x
    x = 87,806,106,531.83/340,063.47
  6. Step 6: Final answer
    x = 258,205.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.