Home / 448,949.07-619,655.76-258,073.20

Finding the Fourth Proportional to 448,949.07, 619,655.76 and 258,073.20

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Solution

The fourth proportional to 448,949.07, 619,655.76 and 258,073.20 is: 356,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,949.07 : 619,655.76 = 258,073.20 : x
  2. Step 2: Convert to fraction form
    448,949.07/619,655.76 = 258,073.20/x
  3. Step 3: Cross multiply
    448,949.07x = 619,655.76 × 258,073.20
  4. Step 4: Simplify right side
    448,949.07x = 159,916,544,881.63
  5. Step 5: Solve for x
    x = 159,916,544,881.63/448,949.07
  6. Step 6: Final answer
    x = 356,201.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.