Home / 436,322.64-654,411.06-120,811.44

Finding the Fourth Proportional to 436,322.64, 654,411.06 and 120,811.44

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Solution

The fourth proportional to 436,322.64, 654,411.06 and 120,811.44 is: 181,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,322.64 : 654,411.06 = 120,811.44 : x
  2. Step 2: Convert to fraction form
    436,322.64/654,411.06 = 120,811.44/x
  3. Step 3: Cross multiply
    436,322.64x = 654,411.06 × 120,811.44
  4. Step 4: Simplify right side
    436,322.64x = 79,060,342,510.53
  5. Step 5: Solve for x
    x = 79,060,342,510.53/436,322.64
  6. Step 6: Final answer
    x = 181,196.98

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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.