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Finding the Fourth Proportional to 444,599.50, 613,547.34 and 243,395.50

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Solution

The fourth proportional to 444,599.50, 613,547.34 and 243,395.50 is: 335,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,599.50 : 613,547.34 = 243,395.50 : x
  2. Step 2: Convert to fraction form
    444,599.50/613,547.34 = 243,395.50/x
  3. Step 3: Cross multiply
    444,599.50x = 613,547.34 × 243,395.50
  4. Step 4: Simplify right side
    444,599.50x = 149,334,661,592.97
  5. Step 5: Solve for x
    x = 149,334,661,592.97/444,599.50
  6. Step 6: Final answer
    x = 335,885.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.