Home / 223,365.09-308,315.66-143,009.04

Finding the Fourth Proportional to 223,365.09, 308,315.66 and 143,009.04

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Solution

The fourth proportional to 223,365.09, 308,315.66 and 143,009.04 is: 197,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,365.09 : 308,315.66 = 143,009.04 : x
  2. Step 2: Convert to fraction form
    223,365.09/308,315.66 = 143,009.04/x
  3. Step 3: Cross multiply
    223,365.09x = 308,315.66 × 143,009.04
  4. Step 4: Simplify right side
    223,365.09x = 44,091,925,838.52
  5. Step 5: Solve for x
    x = 44,091,925,838.52/223,365.09
  6. Step 6: Final answer
    x = 197,398.46

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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.