Home / 223,827.24-308,911.11-128,315.46

Finding the Fourth Proportional to 223,827.24, 308,911.11 and 128,315.46

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Solution

The fourth proportional to 223,827.24, 308,911.11 and 128,315.46 is: 177,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,827.24 : 308,911.11 = 128,315.46 : x
  2. Step 2: Convert to fraction form
    223,827.24/308,911.11 = 128,315.46/x
  3. Step 3: Cross multiply
    223,827.24x = 308,911.11 × 128,315.46
  4. Step 4: Simplify right side
    223,827.24x = 39,638,071,178.76
  5. Step 5: Solve for x
    x = 39,638,071,178.76/223,827.24
  6. Step 6: Final answer
    x = 177,092.26

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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.