Home / 218,419.07-301,511.30-146,840.63

Finding the Fourth Proportional to 218,419.07, 301,511.30 and 146,840.63

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Solution

The fourth proportional to 218,419.07, 301,511.30 and 146,840.63 is: 202,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,419.07 : 301,511.30 = 146,840.63 : x
  2. Step 2: Convert to fraction form
    218,419.07/301,511.30 = 146,840.63/x
  3. Step 3: Cross multiply
    218,419.07x = 301,511.30 × 146,840.63
  4. Step 4: Simplify right side
    218,419.07x = 44,274,107,002.36
  5. Step 5: Solve for x
    x = 44,274,107,002.36/218,419.07
  6. Step 6: Final answer
    x = 202,702.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.