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Finding the Fourth Proportional to 219,118.86, 302,384.10 and 118,516.86

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Solution

The fourth proportional to 219,118.86, 302,384.10 and 118,516.86 is: 163,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,118.86 : 302,384.10 = 118,516.86 : x
  2. Step 2: Convert to fraction form
    219,118.86/302,384.10 = 118,516.86/x
  3. Step 3: Cross multiply
    219,118.86x = 302,384.10 × 118,516.86
  4. Step 4: Simplify right side
    219,118.86x = 35,837,614,045.93
  5. Step 5: Solve for x
    x = 35,837,614,045.93/219,118.86
  6. Step 6: Final answer
    x = 163,553.31

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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.