Home / 329,964.33-455,115.54-302,827.89

Finding the Fourth Proportional to 329,964.33, 455,115.54 and 302,827.89

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Solution

The fourth proportional to 329,964.33, 455,115.54 and 302,827.89 is: 417,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,964.33 : 455,115.54 = 302,827.89 : x
  2. Step 2: Convert to fraction form
    329,964.33/455,115.54 = 302,827.89/x
  3. Step 3: Cross multiply
    329,964.33x = 455,115.54 × 302,827.89
  4. Step 4: Simplify right side
    329,964.33x = 137,821,678,684.41
  5. Step 5: Solve for x
    x = 137,821,678,684.41/329,964.33
  6. Step 6: Final answer
    x = 417,686.60

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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.