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Finding the Fourth Proportional to 245,363.90, 368,045.85 and 219,703.10

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Solution

The fourth proportional to 245,363.90, 368,045.85 and 219,703.10 is: 329,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,363.90 : 368,045.85 = 219,703.10 : x
  2. Step 2: Convert to fraction form
    245,363.90/368,045.85 = 219,703.10/x
  3. Step 3: Cross multiply
    245,363.90x = 368,045.85 × 219,703.10
  4. Step 4: Simplify right side
    245,363.90x = 80,860,814,187.14
  5. Step 5: Solve for x
    x = 80,860,814,187.14/245,363.90
  6. Step 6: Final answer
    x = 329,554.65

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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.