Home / 307,035.55-423,740.26-171,091.63

Finding the Fourth Proportional to 307,035.55, 423,740.26 and 171,091.63

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Solution

The fourth proportional to 307,035.55, 423,740.26 and 171,091.63 is: 236,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,035.55 : 423,740.26 = 171,091.63 : x
  2. Step 2: Convert to fraction form
    307,035.55/423,740.26 = 171,091.63/x
  3. Step 3: Cross multiply
    307,035.55x = 423,740.26 × 171,091.63
  4. Step 4: Simplify right side
    307,035.55x = 72,498,411,780.02
  5. Step 5: Solve for x
    x = 72,498,411,780.02/307,035.55
  6. Step 6: Final answer
    x = 236,123.84

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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.