Home / 307,060.48-423,730.74-171,087.40

Finding the Fourth Proportional to 307,060.48, 423,730.74 and 171,087.40

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Solution

The fourth proportional to 307,060.48, 423,730.74 and 171,087.40 is: 236,093.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,060.48 : 423,730.74 = 171,087.40 : x
  2. Step 2: Convert to fraction form
    307,060.48/423,730.74 = 171,087.40/x
  3. Step 3: Cross multiply
    307,060.48x = 423,730.74 × 171,087.40
  4. Step 4: Simplify right side
    307,060.48x = 72,494,990,606.68
  5. Step 5: Solve for x
    x = 72,494,990,606.68/307,060.48
  6. Step 6: Final answer
    x = 236,093.52

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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.