Home / 316,511.42-436,793.45-173,271.02

Finding the Fourth Proportional to 316,511.42, 436,793.45 and 173,271.02

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Solution

The fourth proportional to 316,511.42, 436,793.45 and 173,271.02 is: 239,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,511.42 : 436,793.45 = 173,271.02 : x
  2. Step 2: Convert to fraction form
    316,511.42/436,793.45 = 173,271.02/x
  3. Step 3: Cross multiply
    316,511.42x = 436,793.45 × 173,271.02
  4. Step 4: Simplify right side
    316,511.42x = 75,683,643,560.50
  5. Step 5: Solve for x
    x = 75,683,643,560.50/316,511.42
  6. Step 6: Final answer
    x = 239,118.21

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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.