Home / 301,688.48-452,631.02-143,896.40

Finding the Fourth Proportional to 301,688.48, 452,631.02 and 143,896.40

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Solution

The fourth proportional to 301,688.48, 452,631.02 and 143,896.40 is: 215,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,688.48 : 452,631.02 = 143,896.40 : x
  2. Step 2: Convert to fraction form
    301,688.48/452,631.02 = 143,896.40/x
  3. Step 3: Cross multiply
    301,688.48x = 452,631.02 × 143,896.40
  4. Step 4: Simplify right side
    301,688.48x = 65,131,974,306.33
  5. Step 5: Solve for x
    x = 65,131,974,306.33/301,688.48
  6. Step 6: Final answer
    x = 215,891.49

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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.