Home / 302,350.78-453,509.43-91,972.18

Finding the Fourth Proportional to 302,350.78, 453,509.43 and 91,972.18

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Solution

The fourth proportional to 302,350.78, 453,509.43 and 91,972.18 is: 137,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,350.78 : 453,509.43 = 91,972.18 : x
  2. Step 2: Convert to fraction form
    302,350.78/453,509.43 = 91,972.18/x
  3. Step 3: Cross multiply
    302,350.78x = 453,509.43 × 91,972.18
  4. Step 4: Simplify right side
    302,350.78x = 41,710,250,927.66
  5. Step 5: Solve for x
    x = 41,710,250,927.66/302,350.78
  6. Step 6: Final answer
    x = 137,953.18

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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.