Home / 242,435.84-334,389.12-161,822.72

Finding the Fourth Proportional to 242,435.84, 334,389.12 and 161,822.72

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Solution

The fourth proportional to 242,435.84, 334,389.12 and 161,822.72 is: 223,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,435.84 : 334,389.12 = 161,822.72 : x
  2. Step 2: Convert to fraction form
    242,435.84/334,389.12 = 161,822.72/x
  3. Step 3: Cross multiply
    242,435.84x = 334,389.12 × 161,822.72
  4. Step 4: Simplify right side
    242,435.84x = 54,111,756,936.81
  5. Step 5: Solve for x
    x = 54,111,756,936.81/242,435.84
  6. Step 6: Final answer
    x = 223,200.32

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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.