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Finding the Fourth Proportional to 211,492.98, 291,878.64 and 116,018.28

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Solution

The fourth proportional to 211,492.98, 291,878.64 and 116,018.28 is: 160,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,492.98 : 291,878.64 = 116,018.28 : x
  2. Step 2: Convert to fraction form
    211,492.98/291,878.64 = 116,018.28/x
  3. Step 3: Cross multiply
    211,492.98x = 291,878.64 × 116,018.28
  4. Step 4: Simplify right side
    211,492.98x = 33,863,257,781.54
  5. Step 5: Solve for x
    x = 33,863,257,781.54/211,492.98
  6. Step 6: Final answer
    x = 160,115.28

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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.