Home / 223,460.15-308,381.09-121,492.47

Finding the Fourth Proportional to 223,460.15, 308,381.09 and 121,492.47

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Solution

The fourth proportional to 223,460.15, 308,381.09 and 121,492.47 is: 167,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,460.15 : 308,381.09 = 121,492.47 : x
  2. Step 2: Convert to fraction form
    223,460.15/308,381.09 = 121,492.47/x
  3. Step 3: Cross multiply
    223,460.15x = 308,381.09 × 121,492.47
  4. Step 4: Simplify right side
    223,460.15x = 37,465,980,325.39
  5. Step 5: Solve for x
    x = 37,465,980,325.39/223,460.15
  6. Step 6: Final answer
    x = 167,662.92

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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.