Home / 314,727.45-434,325.83-187,408.41

Finding the Fourth Proportional to 314,727.45, 434,325.83 and 187,408.41

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Solution

The fourth proportional to 314,727.45, 434,325.83 and 187,408.41 is: 258,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,727.45 : 434,325.83 = 187,408.41 : x
  2. Step 2: Convert to fraction form
    314,727.45/434,325.83 = 187,408.41/x
  3. Step 3: Cross multiply
    314,727.45x = 434,325.83 × 187,408.41
  4. Step 4: Simplify right side
    314,727.45x = 81,396,312,285.19
  5. Step 5: Solve for x
    x = 81,396,312,285.19/314,727.45
  6. Step 6: Final answer
    x = 258,624.76

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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.