Home / 307,037.55-423,743.02-171,093.63

Finding the Fourth Proportional to 307,037.55, 423,743.02 and 171,093.63

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Solution

The fourth proportional to 307,037.55, 423,743.02 and 171,093.63 is: 236,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,037.55 : 423,743.02 = 171,093.63 : x
  2. Step 2: Convert to fraction form
    307,037.55/423,743.02 = 171,093.63/x
  3. Step 3: Cross multiply
    307,037.55x = 423,743.02 × 171,093.63
  4. Step 4: Simplify right side
    307,037.55x = 72,499,731,478.96
  5. Step 5: Solve for x
    x = 72,499,731,478.96/307,037.55
  6. Step 6: Final answer
    x = 236,126.60

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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.