Home / 242,460.78-334,606.26-135,030.81

Finding the Fourth Proportional to 242,460.78, 334,606.26 and 135,030.81

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Solution

The fourth proportional to 242,460.78, 334,606.26 and 135,030.81 is: 186,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,460.78 : 334,606.26 = 135,030.81 : x
  2. Step 2: Convert to fraction form
    242,460.78/334,606.26 = 135,030.81/x
  3. Step 3: Cross multiply
    242,460.78x = 334,606.26 × 135,030.81
  4. Step 4: Simplify right side
    242,460.78x = 45,182,154,318.87
  5. Step 5: Solve for x
    x = 45,182,154,318.87/242,460.78
  6. Step 6: Final answer
    x = 186,348.30

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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.