Home / 379,384.20-569,076.30-98,901.45

Finding the Fourth Proportional to 379,384.20, 569,076.30 and 98,901.45

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Solution

The fourth proportional to 379,384.20, 569,076.30 and 98,901.45 is: 148,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,384.20 : 569,076.30 = 98,901.45 : x
  2. Step 2: Convert to fraction form
    379,384.20/569,076.30 = 98,901.45/x
  3. Step 3: Cross multiply
    379,384.20x = 569,076.30 × 98,901.45
  4. Step 4: Simplify right side
    379,384.20x = 56,282,471,230.64
  5. Step 5: Solve for x
    x = 56,282,471,230.64/379,384.20
  6. Step 6: Final answer
    x = 148,352.18

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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.