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Finding the Fourth Proportional to 576,130.59, 864,211.68 and 155,405.25

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Solution

The fourth proportional to 576,130.59, 864,211.68 and 155,405.25 is: 233,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,130.59 : 864,211.68 = 155,405.25 : x
  2. Step 2: Convert to fraction form
    576,130.59/864,211.68 = 155,405.25/x
  3. Step 3: Cross multiply
    576,130.59x = 864,211.68 × 155,405.25
  4. Step 4: Simplify right side
    576,130.59x = 134,303,032,183.32
  5. Step 5: Solve for x
    x = 134,303,032,183.32/576,130.59
  6. Step 6: Final answer
    x = 233,112.14

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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.