Home / 688,197.54-1,032,285.38-168,878.33

Finding the Fourth Proportional to 688,197.54, 1,032,285.38 and 168,878.33

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Solution

The fourth proportional to 688,197.54, 1,032,285.38 and 168,878.33 is: 253,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,197.54 : 1,032,285.38 = 168,878.33 : x
  2. Step 2: Convert to fraction form
    688,197.54/1,032,285.38 = 168,878.33/x
  3. Step 3: Cross multiply
    688,197.54x = 1,032,285.38 × 168,878.33
  4. Step 4: Simplify right side
    688,197.54x = 174,330,630,612.21
  5. Step 5: Solve for x
    x = 174,330,630,612.21/688,197.54
  6. Step 6: Final answer
    x = 253,314.81

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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.