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Finding the Fourth Proportional to 212,304.51, 292,980.21 and 116,811.20

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Solution

The fourth proportional to 212,304.51, 292,980.21 and 116,811.20 is: 161,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,304.51 : 292,980.21 = 116,811.20 : x
  2. Step 2: Convert to fraction form
    212,304.51/292,980.21 = 116,811.20/x
  3. Step 3: Cross multiply
    212,304.51x = 292,980.21 × 116,811.20
  4. Step 4: Simplify right side
    212,304.51x = 34,223,368,441.45
  5. Step 5: Solve for x
    x = 34,223,368,441.45/212,304.51
  6. Step 6: Final answer
    x = 161,199.44

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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.