Home / 352,823.24-529,068.71-128,026.37

Finding the Fourth Proportional to 352,823.24, 529,068.71 and 128,026.37

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Solution

The fourth proportional to 352,823.24, 529,068.71 and 128,026.37 is: 191,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,823.24 : 529,068.71 = 128,026.37 : x
  2. Step 2: Convert to fraction form
    352,823.24/529,068.71 = 128,026.37/x
  3. Step 3: Cross multiply
    352,823.24x = 529,068.71 × 128,026.37
  4. Step 4: Simplify right side
    352,823.24x = 67,734,748,064.62
  5. Step 5: Solve for x
    x = 67,734,748,064.62/352,823.24
  6. Step 6: Final answer
    x = 191,979.27

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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.