Home / 307,155.14-423,908.52-171,201.50

Finding the Fourth Proportional to 307,155.14, 423,908.52 and 171,201.50

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Solution

The fourth proportional to 307,155.14, 423,908.52 and 171,201.50 is: 236,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,155.14 : 423,908.52 = 171,201.50 : x
  2. Step 2: Convert to fraction form
    307,155.14/423,908.52 = 171,201.50/x
  3. Step 3: Cross multiply
    307,155.14x = 423,908.52 × 171,201.50
  4. Step 4: Simplify right side
    307,155.14x = 72,573,774,486.78
  5. Step 5: Solve for x
    x = 72,573,774,486.78/307,155.14
  6. Step 6: Final answer
    x = 236,277.26

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1.5x scale

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.