Home / 217,661.40-326,054.70-146,802.60

Finding the Fourth Proportional to 217,661.40, 326,054.70 and 146,802.60

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Solution

The fourth proportional to 217,661.40, 326,054.70 and 146,802.60 is: 219,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,661.40 : 326,054.70 = 146,802.60 : x
  2. Step 2: Convert to fraction form
    217,661.40/326,054.70 = 146,802.60/x
  3. Step 3: Cross multiply
    217,661.40x = 326,054.70 × 146,802.60
  4. Step 4: Simplify right side
    217,661.40x = 47,865,677,702.22
  5. Step 5: Solve for x
    x = 47,865,677,702.22/217,661.40
  6. Step 6: Final answer
    x = 219,908.89

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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.