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Finding the Fourth Proportional to 222,211.76, 333,352.40 and 72,417.24

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Solution

The fourth proportional to 222,211.76, 333,352.40 and 72,417.24 is: 108,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,211.76 : 333,352.40 = 72,417.24 : x
  2. Step 2: Convert to fraction form
    222,211.76/333,352.40 = 72,417.24/x
  3. Step 3: Cross multiply
    222,211.76x = 333,352.40 × 72,417.24
  4. Step 4: Simplify right side
    222,211.76x = 24,140,460,393.29
  5. Step 5: Solve for x
    x = 24,140,460,393.29/222,211.76
  6. Step 6: Final answer
    x = 108,637.19

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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.