Home / 340,727.40-470,206.96-187,771.06

Finding the Fourth Proportional to 340,727.40, 470,206.96 and 187,771.06

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Solution

The fourth proportional to 340,727.40, 470,206.96 and 187,771.06 is: 259,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,727.40 : 470,206.96 = 187,771.06 : x
  2. Step 2: Convert to fraction form
    340,727.40/470,206.96 = 187,771.06/x
  3. Step 3: Cross multiply
    340,727.40x = 470,206.96 × 187,771.06
  4. Step 4: Simplify right side
    340,727.40x = 88,291,259,298.58
  5. Step 5: Solve for x
    x = 88,291,259,298.58/340,727.40
  6. Step 6: Final answer
    x = 259,125.80

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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.