Home / 340,727.54-470,207.10-187,771.21

Finding the Fourth Proportional to 340,727.54, 470,207.10 and 187,771.21

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Solution

The fourth proportional to 340,727.54, 470,207.10 and 187,771.21 is: 259,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,727.54 : 470,207.10 = 187,771.21 : x
  2. Step 2: Convert to fraction form
    340,727.54/470,207.10 = 187,771.21/x
  3. Step 3: Cross multiply
    340,727.54x = 470,207.10 × 187,771.21
  4. Step 4: Simplify right side
    340,727.54x = 88,291,356,117.59
  5. Step 5: Solve for x
    x = 88,291,356,117.59/340,727.54
  6. Step 6: Final answer
    x = 259,125.98

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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.