Home / 605,124.05-907,784.58-178,703.00

Finding the Fourth Proportional to 605,124.05, 907,784.58 and 178,703.00

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Solution

The fourth proportional to 605,124.05, 907,784.58 and 178,703.00 is: 268,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,124.05 : 907,784.58 = 178,703.00 : x
  2. Step 2: Convert to fraction form
    605,124.05/907,784.58 = 178,703.00/x
  3. Step 3: Cross multiply
    605,124.05x = 907,784.58 × 178,703.00
  4. Step 4: Simplify right side
    605,124.05x = 162,223,823,260.82
  5. Step 5: Solve for x
    x = 162,223,823,260.82/605,124.05
  6. Step 6: Final answer
    x = 268,083.58

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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.