Home / 450,162.70-621,155.50-259,139.18

Finding the Fourth Proportional to 450,162.70, 621,155.50 and 259,139.18

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Solution

The fourth proportional to 450,162.70, 621,155.50 and 259,139.18 is: 357,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,162.70 : 621,155.50 = 259,139.18 : x
  2. Step 2: Convert to fraction form
    450,162.70/621,155.50 = 259,139.18/x
  3. Step 3: Cross multiply
    450,162.70x = 621,155.50 × 259,139.18
  4. Step 4: Simplify right side
    450,162.70x = 160,965,726,922.49
  5. Step 5: Solve for x
    x = 160,965,726,922.49/450,162.70
  6. Step 6: Final answer
    x = 357,572.33

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1.5x scale

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.