Home / 307,164.53-423,889.04-171,207.12

Finding the Fourth Proportional to 307,164.53, 423,889.04 and 171,207.12

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Solution

The fourth proportional to 307,164.53, 423,889.04 and 171,207.12 is: 236,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,164.53 : 423,889.04 = 171,207.12 : x
  2. Step 2: Convert to fraction form
    307,164.53/423,889.04 = 171,207.12/x
  3. Step 3: Cross multiply
    307,164.53x = 423,889.04 × 171,207.12
  4. Step 4: Simplify right side
    307,164.53x = 72,572,820,038.49
  5. Step 5: Solve for x
    x = 72,572,820,038.49/307,164.53
  6. Step 6: Final answer
    x = 236,266.93

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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.