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Finding the Fourth Proportional to 243,492.18, 336,012.75 and 136,063.09

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Solution

The fourth proportional to 243,492.18, 336,012.75 and 136,063.09 is: 187,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,492.18 : 336,012.75 = 136,063.09 : x
  2. Step 2: Convert to fraction form
    243,492.18/336,012.75 = 136,063.09/x
  3. Step 3: Cross multiply
    243,492.18x = 336,012.75 × 136,063.09
  4. Step 4: Simplify right side
    243,492.18x = 45,718,933,044.40
  5. Step 5: Solve for x
    x = 45,718,933,044.40/243,492.18
  6. Step 6: Final answer
    x = 187,763.46

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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.