Home / 219,088.97-328,630.03-112,411.36

Finding the Fourth Proportional to 219,088.97, 328,630.03 and 112,411.36

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Solution

The fourth proportional to 219,088.97, 328,630.03 and 112,411.36 is: 168,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,088.97 : 328,630.03 = 112,411.36 : x
  2. Step 2: Convert to fraction form
    219,088.97/328,630.03 = 112,411.36/x
  3. Step 3: Cross multiply
    219,088.97x = 328,630.03 × 112,411.36
  4. Step 4: Simplify right side
    219,088.97x = 36,941,748,609.14
  5. Step 5: Solve for x
    x = 36,941,748,609.14/219,088.97
  6. Step 6: Final answer
    x = 168,615.28

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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.