Home / 384,826.13-531,060.87-215,060.25

Finding the Fourth Proportional to 384,826.13, 531,060.87 and 215,060.25

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Solution

The fourth proportional to 384,826.13, 531,060.87 and 215,060.25 is: 296,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,826.13 : 531,060.87 = 215,060.25 : x
  2. Step 2: Convert to fraction form
    384,826.13/531,060.87 = 215,060.25/x
  3. Step 3: Cross multiply
    384,826.13x = 531,060.87 × 215,060.25
  4. Step 4: Simplify right side
    384,826.13x = 114,210,083,467.42
  5. Step 5: Solve for x
    x = 114,210,083,467.42/384,826.13
  6. Step 6: Final answer
    x = 296,783.60

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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.