Home / 284,787.84-427,199.38-104,921.67

Finding the Fourth Proportional to 284,787.84, 427,199.38 and 104,921.67

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Solution

The fourth proportional to 284,787.84, 427,199.38 and 104,921.67 is: 157,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,787.84 : 427,199.38 = 104,921.67 : x
  2. Step 2: Convert to fraction form
    284,787.84/427,199.38 = 104,921.67/x
  3. Step 3: Cross multiply
    284,787.84x = 427,199.38 × 104,921.67
  4. Step 4: Simplify right side
    284,787.84x = 44,822,472,110.26
  5. Step 5: Solve for x
    x = 44,822,472,110.26/284,787.84
  6. Step 6: Final answer
    x = 157,389.00

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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.