Home / 262,619.84-362,419.68-143,387.84

Finding the Fourth Proportional to 262,619.84, 362,419.68 and 143,387.84

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Solution

The fourth proportional to 262,619.84, 362,419.68 and 143,387.84 is: 197,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,619.84 : 362,419.68 = 143,387.84 : x
  2. Step 2: Convert to fraction form
    262,619.84/362,419.68 = 143,387.84/x
  3. Step 3: Cross multiply
    262,619.84x = 362,419.68 × 143,387.84
  4. Step 4: Simplify right side
    262,619.84x = 51,966,575,088.69
  5. Step 5: Solve for x
    x = 51,966,575,088.69/262,619.84
  6. Step 6: Final answer
    x = 197,877.57

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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.