Home / 409,702.08-613,362.03-238,401.72

Finding the Fourth Proportional to 409,702.08, 613,362.03 and 238,401.72

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Solution

The fourth proportional to 409,702.08, 613,362.03 and 238,401.72 is: 356,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,702.08 : 613,362.03 = 238,401.72 : x
  2. Step 2: Convert to fraction form
    409,702.08/613,362.03 = 238,401.72/x
  3. Step 3: Cross multiply
    409,702.08x = 613,362.03 × 238,401.72
  4. Step 4: Simplify right side
    409,702.08x = 146,226,562,934.69
  5. Step 5: Solve for x
    x = 146,226,562,934.69/409,702.08
  6. Step 6: Final answer
    x = 356,909.50

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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.