Home / 272,030.30-408,045.45-192,715.10

Finding the Fourth Proportional to 272,030.30, 408,045.45 and 192,715.10

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Solution

The fourth proportional to 272,030.30, 408,045.45 and 192,715.10 is: 289,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,030.30 : 408,045.45 = 192,715.10 : x
  2. Step 2: Convert to fraction form
    272,030.30/408,045.45 = 192,715.10/x
  3. Step 3: Cross multiply
    272,030.30x = 408,045.45 × 192,715.10
  4. Step 4: Simplify right side
    272,030.30x = 78,636,519,701.30
  5. Step 5: Solve for x
    x = 78,636,519,701.30/272,030.30
  6. Step 6: Final answer
    x = 289,072.65

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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.