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Finding the Fourth Proportional to 409,007.98, 612,284.52 and 248,588.80

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Solution

The fourth proportional to 409,007.98, 612,284.52 and 248,588.80 is: 372,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,007.98 : 612,284.52 = 248,588.80 : x
  2. Step 2: Convert to fraction form
    409,007.98/612,284.52 = 248,588.80/x
  3. Step 3: Cross multiply
    409,007.98x = 612,284.52 × 248,588.80
  4. Step 4: Simplify right side
    409,007.98x = 152,207,072,088.56
  5. Step 5: Solve for x
    x = 152,207,072,088.56/409,007.98
  6. Step 6: Final answer
    x = 372,137.17

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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.