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Finding the Fourth Proportional to 212,063.32, 292,647.70 and 116,570.60

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Solution

The fourth proportional to 212,063.32, 292,647.70 and 116,570.60 is: 160,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,063.32 : 292,647.70 = 116,570.60 : x
  2. Step 2: Convert to fraction form
    212,063.32/292,647.70 = 116,570.60/x
  3. Step 3: Cross multiply
    212,063.32x = 292,647.70 × 116,570.60
  4. Step 4: Simplify right side
    212,063.32x = 34,114,117,977.62
  5. Step 5: Solve for x
    x = 34,114,117,977.62/212,063.32
  6. Step 6: Final answer
    x = 160,867.60

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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.