Home / 219,450.85-302,720.91-178,658.86

Finding the Fourth Proportional to 219,450.85, 302,720.91 and 178,658.86

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Solution

The fourth proportional to 219,450.85, 302,720.91 and 178,658.86 is: 246,450.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,450.85 : 302,720.91 = 178,658.86 : x
  2. Step 2: Convert to fraction form
    219,450.85/302,720.91 = 178,658.86/x
  3. Step 3: Cross multiply
    219,450.85x = 302,720.91 × 178,658.86
  4. Step 4: Simplify right side
    219,450.85x = 54,083,772,678.76
  5. Step 5: Solve for x
    x = 54,083,772,678.76/219,450.85
  6. Step 6: Final answer
    x = 246,450.50

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1.5x scale

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.