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Finding the Fourth Proportional to 300,606.39, 450,803.23 and 87,329.93

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Solution

The fourth proportional to 300,606.39, 450,803.23 and 87,329.93 is: 130,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,606.39 : 450,803.23 = 87,329.93 : x
  2. Step 2: Convert to fraction form
    300,606.39/450,803.23 = 87,329.93/x
  3. Step 3: Cross multiply
    300,606.39x = 450,803.23 × 87,329.93
  4. Step 4: Simplify right side
    300,606.39x = 39,368,614,083.02
  5. Step 5: Solve for x
    x = 39,368,614,083.02/300,606.39
  6. Step 6: Final answer
    x = 130,964.00

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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.