Home / 348,715.22-521,878.41-242,219.25

Finding the Fourth Proportional to 348,715.22, 521,878.41 and 242,219.25

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Solution

The fourth proportional to 348,715.22, 521,878.41 and 242,219.25 is: 362,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,715.22 : 521,878.41 = 242,219.25 : x
  2. Step 2: Convert to fraction form
    348,715.22/521,878.41 = 242,219.25/x
  3. Step 3: Cross multiply
    348,715.22x = 521,878.41 × 242,219.25
  4. Step 4: Simplify right side
    348,715.22x = 126,408,997,061.39
  5. Step 5: Solve for x
    x = 126,408,997,061.39/348,715.22
  6. Step 6: Final answer
    x = 362,499.23

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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.