Home / 307,082.10-423,762.51-171,109.02

Finding the Fourth Proportional to 307,082.10, 423,762.51 and 171,109.02

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Solution

The fourth proportional to 307,082.10, 423,762.51 and 171,109.02 is: 236,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,082.10 : 423,762.51 = 171,109.02 : x
  2. Step 2: Convert to fraction form
    307,082.10/423,762.51 = 171,109.02/x
  3. Step 3: Cross multiply
    307,082.10x = 423,762.51 × 171,109.02
  4. Step 4: Simplify right side
    307,082.10x = 72,509,587,798.84
  5. Step 5: Solve for x
    x = 72,509,587,798.84/307,082.10
  6. Step 6: Final answer
    x = 236,124.44

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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.