Home / 384,769.02-530,979.56-215,003.12

Finding the Fourth Proportional to 384,769.02, 530,979.56 and 215,003.12

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Solution

The fourth proportional to 384,769.02, 530,979.56 and 215,003.12 is: 296,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,769.02 : 530,979.56 = 215,003.12 : x
  2. Step 2: Convert to fraction form
    384,769.02/530,979.56 = 215,003.12/x
  3. Step 3: Cross multiply
    384,769.02x = 530,979.56 × 215,003.12
  4. Step 4: Simplify right side
    384,769.02x = 114,162,262,056.23
  5. Step 5: Solve for x
    x = 114,162,262,056.23/384,769.02
  6. Step 6: Final answer
    x = 296,703.36

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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.