Home / 236,815.60-355,223.40-70,603.60

Finding the Fourth Proportional to 236,815.60, 355,223.40 and 70,603.60

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Solution

The fourth proportional to 236,815.60, 355,223.40 and 70,603.60 is: 105,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,815.60 : 355,223.40 = 70,603.60 : x
  2. Step 2: Convert to fraction form
    236,815.60/355,223.40 = 70,603.60/x
  3. Step 3: Cross multiply
    236,815.60x = 355,223.40 × 70,603.60
  4. Step 4: Simplify right side
    236,815.60x = 25,080,050,844.24
  5. Step 5: Solve for x
    x = 25,080,050,844.24/236,815.60
  6. Step 6: Final answer
    x = 105,905.40

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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.