Home / 688,109.91-1,032,192.20-214,795.32

Finding the Fourth Proportional to 688,109.91, 1,032,192.20 and 214,795.32

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Solution

The fourth proportional to 688,109.91, 1,032,192.20 and 214,795.32 is: 322,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,109.91 : 1,032,192.20 = 214,795.32 : x
  2. Step 2: Convert to fraction form
    688,109.91/1,032,192.20 = 214,795.32/x
  3. Step 3: Cross multiply
    688,109.91x = 1,032,192.20 × 214,795.32
  4. Step 4: Simplify right side
    688,109.91x = 221,710,053,900.50
  5. Step 5: Solve for x
    x = 221,710,053,900.50/688,109.91
  6. Step 6: Final answer
    x = 322,201.51

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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.