Home / 384,055.29-529,995.98-214,289.42

Finding the Fourth Proportional to 384,055.29, 529,995.98 and 214,289.42

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Solution

The fourth proportional to 384,055.29, 529,995.98 and 214,289.42 is: 295,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,055.29 : 529,995.98 = 214,289.42 : x
  2. Step 2: Convert to fraction form
    384,055.29/529,995.98 = 214,289.42/x
  3. Step 3: Cross multiply
    384,055.29x = 529,995.98 × 214,289.42
  4. Step 4: Simplify right side
    384,055.29x = 113,572,529,042.28
  5. Step 5: Solve for x
    x = 113,572,529,042.28/384,055.29
  6. Step 6: Final answer
    x = 295,719.22

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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.