Home / 384,100.07-530,093.27-212,048.87

Finding the Fourth Proportional to 384,100.07, 530,093.27 and 212,048.87

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Solution

The fourth proportional to 384,100.07, 530,093.27 and 212,048.87 is: 292,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,100.07 : 530,093.27 = 212,048.87 : x
  2. Step 2: Convert to fraction form
    384,100.07/530,093.27 = 212,048.87/x
  3. Step 3: Cross multiply
    384,100.07x = 530,093.27 × 212,048.87
  4. Step 4: Simplify right side
    384,100.07x = 112,405,676,777.76
  5. Step 5: Solve for x
    x = 112,405,676,777.76/384,100.07
  6. Step 6: Final answer
    x = 292,646.86

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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.