Home / 454,018.60-681,416.70-201,687.40

Finding the Fourth Proportional to 454,018.60, 681,416.70 and 201,687.40

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Solution

The fourth proportional to 454,018.60, 681,416.70 and 201,687.40 is: 302,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,018.60 : 681,416.70 = 201,687.40 : x
  2. Step 2: Convert to fraction form
    454,018.60/681,416.70 = 201,687.40/x
  3. Step 3: Cross multiply
    454,018.60x = 681,416.70 × 201,687.40
  4. Step 4: Simplify right side
    454,018.60x = 137,433,162,539.58
  5. Step 5: Solve for x
    x = 137,433,162,539.58/454,018.60
  6. Step 6: Final answer
    x = 302,703.82

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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.