Finding the Fourth Proportional to 677,221.60, 1,015,916.36 and 221,656.36
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Solution
The fourth proportional to 677,221.60, 1,015,916.36 and 221,656.36 is: 332,512.02
Step by Step Solution
- Step 1: Write the proportion equation
677,221.60 : 1,015,916.36 = 221,656.36 : x - Step 2: Convert to fraction form
677,221.60/1,015,916.36 = 221,656.36/x - Step 3: Cross multiply
677,221.60x = 1,015,916.36 × 221,656.36 - Step 4: Simplify right side
677,221.60x = 225,184,322,422.05 - Step 5: Solve for x
x = 225,184,322,422.05/677,221.60 - Step 6: Final answer
x = 332,512.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.