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Finding the Fourth Proportional to 277,752.32, 383,379.36 and 163,060.64

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Solution

The fourth proportional to 277,752.32, 383,379.36 and 163,060.64 is: 225,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,752.32 : 383,379.36 = 163,060.64 : x
  2. Step 2: Convert to fraction form
    277,752.32/383,379.36 = 163,060.64/x
  3. Step 3: Cross multiply
    277,752.32x = 383,379.36 × 163,060.64
  4. Step 4: Simplify right side
    277,752.32x = 62,514,083,804.39
  5. Step 5: Solve for x
    x = 62,514,083,804.39/277,752.32
  6. Step 6: Final answer
    x = 225,071.33

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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.