Home / 528,148.20-792,277.92-154,172.28

Finding the Fourth Proportional to 528,148.20, 792,277.92 and 154,172.28

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Solution

The fourth proportional to 528,148.20, 792,277.92 and 154,172.28 is: 231,274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,148.20 : 792,277.92 = 154,172.28 : x
  2. Step 2: Convert to fraction form
    528,148.20/792,277.92 = 154,172.28/x
  3. Step 3: Cross multiply
    528,148.20x = 792,277.92 × 154,172.28
  4. Step 4: Simplify right side
    528,148.20x = 122,147,293,320.06
  5. Step 5: Solve for x
    x = 122,147,293,320.06/528,148.20
  6. Step 6: Final answer
    x = 231,274.66

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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.