Home / 330,368.63-455,870.03-194,372.66

Finding the Fourth Proportional to 330,368.63, 455,870.03 and 194,372.66

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Solution

The fourth proportional to 330,368.63, 455,870.03 and 194,372.66 is: 268,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,368.63 : 455,870.03 = 194,372.66 : x
  2. Step 2: Convert to fraction form
    330,368.63/455,870.03 = 194,372.66/x
  3. Step 3: Cross multiply
    330,368.63x = 455,870.03 × 194,372.66
  4. Step 4: Simplify right side
    330,368.63x = 88,608,670,513.19
  5. Step 5: Solve for x
    x = 88,608,670,513.19/330,368.63
  6. Step 6: Final answer
    x = 268,211.52

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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.