Home / 218,670.40-328,004.26-56,564.44

Finding the Fourth Proportional to 218,670.40, 328,004.26 and 56,564.44

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Solution

The fourth proportional to 218,670.40, 328,004.26 and 56,564.44 is: 84,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,670.40 : 328,004.26 = 56,564.44 : x
  2. Step 2: Convert to fraction form
    218,670.40/328,004.26 = 56,564.44/x
  3. Step 3: Cross multiply
    218,670.40x = 328,004.26 × 56,564.44
  4. Step 4: Simplify right side
    218,670.40x = 18,553,377,284.51
  5. Step 5: Solve for x
    x = 18,553,377,284.51/218,670.40
  6. Step 6: Final answer
    x = 84,846.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.