Home / 274,600.08-378,904.08-153,746.40

Finding the Fourth Proportional to 274,600.08, 378,904.08 and 153,746.40

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Solution

The fourth proportional to 274,600.08, 378,904.08 and 153,746.40 is: 212,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,600.08 : 378,904.08 = 153,746.40 : x
  2. Step 2: Convert to fraction form
    274,600.08/378,904.08 = 153,746.40/x
  3. Step 3: Cross multiply
    274,600.08x = 378,904.08 × 153,746.40
  4. Step 4: Simplify right side
    274,600.08x = 58,255,138,245.31
  5. Step 5: Solve for x
    x = 58,255,138,245.31/274,600.08
  6. Step 6: Final answer
    x = 212,145.38

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1.5x scale

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.