Home / 302,890.51-417,991.76-166,929.36

Finding the Fourth Proportional to 302,890.51, 417,991.76 and 166,929.36

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Solution

The fourth proportional to 302,890.51, 417,991.76 and 166,929.36 is: 230,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,890.51 : 417,991.76 = 166,929.36 : x
  2. Step 2: Convert to fraction form
    302,890.51/417,991.76 = 166,929.36/x
  3. Step 3: Cross multiply
    302,890.51x = 417,991.76 × 166,929.36
  4. Step 4: Simplify right side
    302,890.51x = 69,775,096,982.07
  5. Step 5: Solve for x
    x = 69,775,096,982.07/302,890.51
  6. Step 6: Final answer
    x = 230,364.09

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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.