Home / 320,558.04-480,696.80-152,126.64

Finding the Fourth Proportional to 320,558.04, 480,696.80 and 152,126.64

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Solution

The fourth proportional to 320,558.04, 480,696.80 and 152,126.64 is: 228,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,558.04 : 480,696.80 = 152,126.64 : x
  2. Step 2: Convert to fraction form
    320,558.04/480,696.80 = 152,126.64/x
  3. Step 3: Cross multiply
    320,558.04x = 480,696.80 × 152,126.64
  4. Step 4: Simplify right side
    320,558.04x = 73,126,788,282.12
  5. Step 5: Solve for x
    x = 73,126,788,282.12/320,558.04
  6. Step 6: Final answer
    x = 228,123.39

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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.