Home / 384,828.09-531,231.38-294,187.87

Finding the Fourth Proportional to 384,828.09, 531,231.38 and 294,187.87

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Solution

The fourth proportional to 384,828.09, 531,231.38 and 294,187.87 is: 406,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,828.09 : 531,231.38 = 294,187.87 : x
  2. Step 2: Convert to fraction form
    384,828.09/531,231.38 = 294,187.87/x
  3. Step 3: Cross multiply
    384,828.09x = 531,231.38 × 294,187.87
  4. Step 4: Simplify right side
    384,828.09x = 156,281,828,159.36
  5. Step 5: Solve for x
    x = 156,281,828,159.36/384,828.09
  6. Step 6: Final answer
    x = 406,108.16

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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.