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Finding the Fourth Proportional to 219,416.01, 302,794.02 and 118,814.01

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Solution

The fourth proportional to 219,416.01, 302,794.02 and 118,814.01 is: 163,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,416.01 : 302,794.02 = 118,814.01 : x
  2. Step 2: Convert to fraction form
    219,416.01/302,794.02 = 118,814.01/x
  3. Step 3: Cross multiply
    219,416.01x = 302,794.02 × 118,814.01
  4. Step 4: Simplify right side
    219,416.01x = 35,976,171,720.22
  5. Step 5: Solve for x
    x = 35,976,171,720.22/219,416.01
  6. Step 6: Final answer
    x = 163,963.29

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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.