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Finding the Fourth Proportional to 652,501.20, 978,751.80 and 226,036.20

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Solution

The fourth proportional to 652,501.20, 978,751.80 and 226,036.20 is: 339,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,501.20 : 978,751.80 = 226,036.20 : x
  2. Step 2: Convert to fraction form
    652,501.20/978,751.80 = 226,036.20/x
  3. Step 3: Cross multiply
    652,501.20x = 978,751.80 × 226,036.20
  4. Step 4: Simplify right side
    652,501.20x = 221,233,337,615.16
  5. Step 5: Solve for x
    x = 221,233,337,615.16/652,501.20
  6. Step 6: Final answer
    x = 339,054.30

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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.