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Finding the Fourth Proportional to 452,683.45, 624,700.06 and 248,736.52

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Solution

The fourth proportional to 452,683.45, 624,700.06 and 248,736.52 is: 343,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,683.45 : 624,700.06 = 248,736.52 : x
  2. Step 2: Convert to fraction form
    452,683.45/624,700.06 = 248,736.52/x
  3. Step 3: Cross multiply
    452,683.45x = 624,700.06 × 248,736.52
  4. Step 4: Simplify right side
    452,683.45x = 155,385,718,968.19
  5. Step 5: Solve for x
    x = 155,385,718,968.19/452,683.45
  6. Step 6: Final answer
    x = 343,254.69

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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.