Home / 384,894.27-531,132.67-212,802.28

Finding the Fourth Proportional to 384,894.27, 531,132.67 and 212,802.28

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Solution

The fourth proportional to 384,894.27, 531,132.67 and 212,802.28 is: 293,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,894.27 : 531,132.67 = 212,802.28 : x
  2. Step 2: Convert to fraction form
    384,894.27/531,132.67 = 212,802.28/x
  3. Step 3: Cross multiply
    384,894.27x = 531,132.67 × 212,802.28
  4. Step 4: Simplify right side
    384,894.27x = 113,026,244,088.41
  5. Step 5: Solve for x
    x = 113,026,244,088.41/384,894.27
  6. Step 6: Final answer
    x = 293,655.30

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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.