Home / 352,646.40-529,047.36-115,979.52

Finding the Fourth Proportional to 352,646.40, 529,047.36 and 115,979.52

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Solution

The fourth proportional to 352,646.40, 529,047.36 and 115,979.52 is: 173,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,646.40 : 529,047.36 = 115,979.52 : x
  2. Step 2: Convert to fraction form
    352,646.40/529,047.36 = 115,979.52/x
  3. Step 3: Cross multiply
    352,646.40x = 529,047.36 × 115,979.52
  4. Step 4: Simplify right side
    352,646.40x = 61,358,658,870.07
  5. Step 5: Solve for x
    x = 61,358,658,870.07/352,646.40
  6. Step 6: Final answer
    x = 173,994.85

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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.