Home / 384,218.10-576,318.96-128,069.16

Finding the Fourth Proportional to 384,218.10, 576,318.96 and 128,069.16

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Solution

The fourth proportional to 384,218.10, 576,318.96 and 128,069.16 is: 192,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,218.10 : 576,318.96 = 128,069.16 : x
  2. Step 2: Convert to fraction form
    384,218.10/576,318.96 = 128,069.16/x
  3. Step 3: Cross multiply
    384,218.10x = 576,318.96 × 128,069.16
  4. Step 4: Simplify right side
    384,218.10x = 73,808,685,099.27
  5. Step 5: Solve for x
    x = 73,808,685,099.27/384,218.10
  6. Step 6: Final answer
    x = 192,101.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.