Home / 358,977.72-538,465.14-134,355

Finding the Fourth Proportional to 358,977.72, 538,465.14 and 134,355

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Solution

The fourth proportional to 358,977.72, 538,465.14 and 134,355 is: 201,531.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,977.72 : 538,465.14 = 134,355 : x
  2. Step 2: Convert to fraction form
    358,977.72/538,465.14 = 134,355/x
  3. Step 3: Cross multiply
    358,977.72x = 538,465.14 × 134,355
  4. Step 4: Simplify right side
    358,977.72x = 72,345,483,884.70
  5. Step 5: Solve for x
    x = 72,345,483,884.70/358,977.72
  6. Step 6: Final answer
    x = 201,531.96

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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.