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Finding the Fourth Proportional to 222,106.40, 333,079.80 and 64,302.20

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Solution

The fourth proportional to 222,106.40, 333,079.80 and 64,302.20 is: 96,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,106.40 : 333,079.80 = 64,302.20 : x
  2. Step 2: Convert to fraction form
    222,106.40/333,079.80 = 64,302.20/x
  3. Step 3: Cross multiply
    222,106.40x = 333,079.80 × 64,302.20
  4. Step 4: Simplify right side
    222,106.40x = 21,417,763,915.56
  5. Step 5: Solve for x
    x = 21,417,763,915.56/222,106.40
  6. Step 6: Final answer
    x = 96,430.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.