Home / 228,678.09-343,053.50-70,873.89

Finding the Fourth Proportional to 228,678.09, 343,053.50 and 70,873.89

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Solution

The fourth proportional to 228,678.09, 343,053.50 and 70,873.89 is: 106,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,678.09 : 343,053.50 = 70,873.89 : x
  2. Step 2: Convert to fraction form
    228,678.09/343,053.50 = 70,873.89/x
  3. Step 3: Cross multiply
    228,678.09x = 343,053.50 × 70,873.89
  4. Step 4: Simplify right side
    228,678.09x = 24,313,535,668.75
  5. Step 5: Solve for x
    x = 24,313,535,668.75/228,678.09
  6. Step 6: Final answer
    x = 106,322.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.