Home / 221,587.98-332,248.32-103,285.86

Finding the Fourth Proportional to 221,587.98, 332,248.32 and 103,285.86

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Solution

The fourth proportional to 221,587.98, 332,248.32 and 103,285.86 is: 154,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,587.98 : 332,248.32 = 103,285.86 : x
  2. Step 2: Convert to fraction form
    221,587.98/332,248.32 = 103,285.86/x
  3. Step 3: Cross multiply
    221,587.98x = 332,248.32 × 103,285.86
  4. Step 4: Simplify right side
    221,587.98x = 34,316,553,464.76
  5. Step 5: Solve for x
    x = 34,316,553,464.76/221,587.98
  6. Step 6: Final answer
    x = 154,866.49

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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.