Home / 348,018.42-480,311.09-197,120.50

Finding the Fourth Proportional to 348,018.42, 480,311.09 and 197,120.50

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Solution

The fourth proportional to 348,018.42, 480,311.09 and 197,120.50 is: 272,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,018.42 : 480,311.09 = 197,120.50 : x
  2. Step 2: Convert to fraction form
    348,018.42/480,311.09 = 197,120.50/x
  3. Step 3: Cross multiply
    348,018.42x = 480,311.09 × 197,120.50
  4. Step 4: Simplify right side
    348,018.42x = 94,679,162,216.35
  5. Step 5: Solve for x
    x = 94,679,162,216.35/348,018.42
  6. Step 6: Final answer
    x = 272,052.16

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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.