Home / 339,678.48-509,529.06-152,690.52

Finding the Fourth Proportional to 339,678.48, 509,529.06 and 152,690.52

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Solution

The fourth proportional to 339,678.48, 509,529.06 and 152,690.52 is: 229,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,678.48 : 509,529.06 = 152,690.52 : x
  2. Step 2: Convert to fraction form
    339,678.48/509,529.06 = 152,690.52/x
  3. Step 3: Cross multiply
    339,678.48x = 509,529.06 × 152,690.52
  4. Step 4: Simplify right side
    339,678.48x = 77,800,257,126.51
  5. Step 5: Solve for x
    x = 77,800,257,126.51/339,678.48
  6. Step 6: Final answer
    x = 229,040.88

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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.