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Finding the Fourth Proportional to 450,227.34, 675,340.64 and 180,477.36

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Solution

The fourth proportional to 450,227.34, 675,340.64 and 180,477.36 is: 270,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,227.34 : 675,340.64 = 180,477.36 : x
  2. Step 2: Convert to fraction form
    450,227.34/675,340.64 = 180,477.36/x
  3. Step 3: Cross multiply
    450,227.34x = 675,340.64 × 180,477.36
  4. Step 4: Simplify right side
    450,227.34x = 121,883,695,807.91
  5. Step 5: Solve for x
    x = 121,883,695,807.91/450,227.34
  6. Step 6: Final answer
    x = 270,715.89

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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.