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Finding the Fourth Proportional to 284,834, 393,064.44 and 157,510.64

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Solution

The fourth proportional to 284,834, 393,064.44 and 157,510.64 is: 217,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,834 : 393,064.44 = 157,510.64 : x
  2. Step 2: Convert to fraction form
    284,834/393,064.44 = 157,510.64/x
  3. Step 3: Cross multiply
    284,834x = 393,064.44 × 157,510.64
  4. Step 4: Simplify right side
    284,834x = 61,911,831,505.64
  5. Step 5: Solve for x
    x = 61,911,831,505.64/284,834
  6. Step 6: Final answer
    x = 217,361.10

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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.