Home / 262,971.18-362,974.59-155,578.74

Finding the Fourth Proportional to 262,971.18, 362,974.59 and 155,578.74

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Solution

The fourth proportional to 262,971.18, 362,974.59 and 155,578.74 is: 214,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,971.18 : 362,974.59 = 155,578.74 : x
  2. Step 2: Convert to fraction form
    262,971.18/362,974.59 = 155,578.74/x
  3. Step 3: Cross multiply
    262,971.18x = 362,974.59 × 155,578.74
  4. Step 4: Simplify right side
    262,971.18x = 56,471,129,364.22
  5. Step 5: Solve for x
    x = 56,471,129,364.22/262,971.18
  6. Step 6: Final answer
    x = 214,742.65

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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.