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Finding the Fourth Proportional to 222,502.04, 307,051.80 and 121,900.04

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Solution

The fourth proportional to 222,502.04, 307,051.80 and 121,900.04 is: 168,221.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,502.04 : 307,051.80 = 121,900.04 : x
  2. Step 2: Convert to fraction form
    222,502.04/307,051.80 = 121,900.04/x
  3. Step 3: Cross multiply
    222,502.04x = 307,051.80 × 121,900.04
  4. Step 4: Simplify right side
    222,502.04x = 37,429,626,702.07
  5. Step 5: Solve for x
    x = 37,429,626,702.07/222,502.04
  6. Step 6: Final answer
    x = 168,221.50

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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.