Home / 228,490.08-343,343.40-214,125.15

Finding the Fourth Proportional to 228,490.08, 343,343.40 and 214,125.15

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Solution

The fourth proportional to 228,490.08, 343,343.40 and 214,125.15 is: 321,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,490.08 : 343,343.40 = 214,125.15 : x
  2. Step 2: Convert to fraction form
    228,490.08/343,343.40 = 214,125.15/x
  3. Step 3: Cross multiply
    228,490.08x = 343,343.40 × 214,125.15
  4. Step 4: Simplify right side
    228,490.08x = 73,518,457,026.51
  5. Step 5: Solve for x
    x = 73,518,457,026.51/228,490.08
  6. Step 6: Final answer
    x = 321,757.76

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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.