Home / 278,816.54-384,737.90-164,088.32

Finding the Fourth Proportional to 278,816.54, 384,737.90 and 164,088.32

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Solution

The fourth proportional to 278,816.54, 384,737.90 and 164,088.32 is: 226,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,816.54 : 384,737.90 = 164,088.32 : x
  2. Step 2: Convert to fraction form
    278,816.54/384,737.90 = 164,088.32/x
  3. Step 3: Cross multiply
    278,816.54x = 384,737.90 × 164,088.32
  4. Step 4: Simplify right side
    278,816.54x = 63,130,992,907.20
  5. Step 5: Solve for x
    x = 63,130,992,907.20/278,816.54
  6. Step 6: Final answer
    x = 226,424.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.