Home / 628,668.87-942,994.08-155,354.23

Finding the Fourth Proportional to 628,668.87, 942,994.08 and 155,354.23

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Solution

The fourth proportional to 628,668.87, 942,994.08 and 155,354.23 is: 233,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,668.87 : 942,994.08 = 155,354.23 : x
  2. Step 2: Convert to fraction form
    628,668.87/942,994.08 = 155,354.23/x
  3. Step 3: Cross multiply
    628,668.87x = 942,994.08 × 155,354.23
  4. Step 4: Simplify right side
    628,668.87x = 146,498,117,282.60
  5. Step 5: Solve for x
    x = 146,498,117,282.60/628,668.87
  6. Step 6: Final answer
    x = 233,029.06

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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.