Home / 272,030.55-408,045.83-192,715.35

Finding the Fourth Proportional to 272,030.55, 408,045.83 and 192,715.35

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Solution

The fourth proportional to 272,030.55, 408,045.83 and 192,715.35 is: 289,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,030.55 : 408,045.83 = 192,715.35 : x
  2. Step 2: Convert to fraction form
    272,030.55/408,045.83 = 192,715.35/x
  3. Step 3: Cross multiply
    272,030.55x = 408,045.83 × 192,715.35
  4. Step 4: Simplify right side
    272,030.55x = 78,636,693,980.91
  5. Step 5: Solve for x
    x = 78,636,693,980.91/272,030.55
  6. Step 6: Final answer
    x = 289,073.03

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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.