Home / 340,514.37-469,913-187,557.99

Finding the Fourth Proportional to 340,514.37, 469,913 and 187,557.99

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Solution

The fourth proportional to 340,514.37, 469,913 and 187,557.99 is: 258,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,514.37 : 469,913 = 187,557.99 : x
  2. Step 2: Convert to fraction form
    340,514.37/469,913 = 187,557.99/x
  3. Step 3: Cross multiply
    340,514.37x = 469,913 × 187,557.99
  4. Step 4: Simplify right side
    340,514.37x = 88,135,937,754.87
  5. Step 5: Solve for x
    x = 88,135,937,754.87/340,514.37
  6. Step 6: Final answer
    x = 258,831.77

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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.