Home / 219,297.07-328,957.35-69,548.72

Finding the Fourth Proportional to 219,297.07, 328,957.35 and 69,548.72

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Solution

The fourth proportional to 219,297.07, 328,957.35 and 69,548.72 is: 104,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,297.07 : 328,957.35 = 69,548.72 : x
  2. Step 2: Convert to fraction form
    219,297.07/328,957.35 = 69,548.72/x
  3. Step 3: Cross multiply
    219,297.07x = 328,957.35 × 69,548.72
  4. Step 4: Simplify right side
    219,297.07x = 22,878,562,279.35
  5. Step 5: Solve for x
    x = 22,878,562,279.35/219,297.07
  6. Step 6: Final answer
    x = 104,326.81

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1.5x scale

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.