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Finding the Fourth Proportional to 360,239.37, 540,369.98 and 123,578.63

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Solution

The fourth proportional to 360,239.37, 540,369.98 and 123,578.63 is: 185,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,239.37 : 540,369.98 = 123,578.63 : x
  2. Step 2: Convert to fraction form
    360,239.37/540,369.98 = 123,578.63/x
  3. Step 3: Cross multiply
    360,239.37x = 540,369.98 × 123,578.63
  4. Step 4: Simplify right side
    360,239.37x = 66,778,178,501.78
  5. Step 5: Solve for x
    x = 66,778,178,501.78/360,239.37
  6. Step 6: Final answer
    x = 185,371.68

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1.5x scale

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.