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Finding the Fourth Proportional to 235,053.60, 352,810.80 and 116,858.40

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Solution

The fourth proportional to 235,053.60, 352,810.80 and 116,858.40 is: 175,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,053.60 : 352,810.80 = 116,858.40 : x
  2. Step 2: Convert to fraction form
    235,053.60/352,810.80 = 116,858.40/x
  3. Step 3: Cross multiply
    235,053.60x = 352,810.80 × 116,858.40
  4. Step 4: Simplify right side
    235,053.60x = 41,228,905,590.72
  5. Step 5: Solve for x
    x = 41,228,905,590.72/235,053.60
  6. Step 6: Final answer
    x = 175,402.14

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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.