Home / 605,123.36-907,783.55-178,702.32

Finding the Fourth Proportional to 605,123.36, 907,783.55 and 178,702.32

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Solution

The fourth proportional to 605,123.36, 907,783.55 and 178,702.32 is: 268,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,123.36 : 907,783.55 = 178,702.32 : x
  2. Step 2: Convert to fraction form
    605,123.36/907,783.55 = 178,702.32/x
  3. Step 3: Cross multiply
    605,123.36x = 907,783.55 × 178,702.32
  4. Step 4: Simplify right side
    605,123.36x = 162,223,026,442.84
  5. Step 5: Solve for x
    x = 162,223,026,442.84/605,123.36
  6. Step 6: Final answer
    x = 268,082.57

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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.