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Finding the Fourth Proportional to 243,484.62, 336,008.05 and 136,054.76

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Solution

The fourth proportional to 243,484.62, 336,008.05 and 136,054.76 is: 187,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,484.62 : 336,008.05 = 136,054.76 : x
  2. Step 2: Convert to fraction form
    243,484.62/336,008.05 = 136,054.76/x
  3. Step 3: Cross multiply
    243,484.62x = 336,008.05 × 136,054.76
  4. Step 4: Simplify right side
    243,484.62x = 45,715,492,580.64
  5. Step 5: Solve for x
    x = 45,715,492,580.64/243,484.62
  6. Step 6: Final answer
    x = 187,755.16

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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.