Home / 302,349.78-453,507.93-91,971.18

Finding the Fourth Proportional to 302,349.78, 453,507.93 and 91,971.18

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Solution

The fourth proportional to 302,349.78, 453,507.93 and 91,971.18 is: 137,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,349.78 : 453,507.93 = 91,971.18 : x
  2. Step 2: Convert to fraction form
    302,349.78/453,507.93 = 91,971.18/x
  3. Step 3: Cross multiply
    302,349.78x = 453,507.93 × 91,971.18
  4. Step 4: Simplify right side
    302,349.78x = 41,709,659,461.46
  5. Step 5: Solve for x
    x = 41,709,659,461.46/302,349.78
  6. Step 6: Final answer
    x = 137,951.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.