Home / 291,787.90-402,670.37-164,463.50

Finding the Fourth Proportional to 291,787.90, 402,670.37 and 164,463.50

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Solution

The fourth proportional to 291,787.90, 402,670.37 and 164,463.50 is: 226,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,787.90 : 402,670.37 = 164,463.50 : x
  2. Step 2: Convert to fraction form
    291,787.90/402,670.37 = 164,463.50/x
  3. Step 3: Cross multiply
    291,787.90x = 402,670.37 × 164,463.50
  4. Step 4: Simplify right side
    291,787.90x = 66,224,577,549.31
  5. Step 5: Solve for x
    x = 66,224,577,549.31/291,787.90
  6. Step 6: Final answer
    x = 226,961.35

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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.