Home / 242,485.29-334,640.09-135,055.35

Finding the Fourth Proportional to 242,485.29, 334,640.09 and 135,055.35

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Solution

The fourth proportional to 242,485.29, 334,640.09 and 135,055.35 is: 186,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,485.29 : 334,640.09 = 135,055.35 : x
  2. Step 2: Convert to fraction form
    242,485.29/334,640.09 = 135,055.35/x
  3. Step 3: Cross multiply
    242,485.29x = 334,640.09 × 135,055.35
  4. Step 4: Simplify right side
    242,485.29x = 45,194,933,803.70
  5. Step 5: Solve for x
    x = 45,194,933,803.70/242,485.29
  6. Step 6: Final answer
    x = 186,382.17

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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.