Home / 291,529.72-402,313.26-164,193.40

Finding the Fourth Proportional to 291,529.72, 402,313.26 and 164,193.40

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Solution

The fourth proportional to 291,529.72, 402,313.26 and 164,193.40 is: 226,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,529.72 : 402,313.26 = 164,193.40 : x
  2. Step 2: Convert to fraction form
    291,529.72/402,313.26 = 164,193.40/x
  3. Step 3: Cross multiply
    291,529.72x = 402,313.26 × 164,193.40
  4. Step 4: Simplify right side
    291,529.72x = 66,057,182,024.48
  5. Step 5: Solve for x
    x = 66,057,182,024.48/291,529.72
  6. Step 6: Final answer
    x = 226,588.16

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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.