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Finding the Fourth Proportional to 219,492, 302,899.08 and 118,890

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Solution

The fourth proportional to 219,492, 302,899.08 and 118,890 is: 164,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,492 : 302,899.08 = 118,890 : x
  2. Step 2: Convert to fraction form
    219,492/302,899.08 = 118,890/x
  3. Step 3: Cross multiply
    219,492x = 302,899.08 × 118,890
  4. Step 4: Simplify right side
    219,492x = 36,011,671,621.20
  5. Step 5: Solve for x
    x = 36,011,671,621.20/219,492
  6. Step 6: Final answer
    x = 164,068.26

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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.