Finding the Fourth Proportional to 644,219.60, 966,328.36 and 164,447.36
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Solution
The fourth proportional to 644,219.60, 966,328.36 and 164,447.36 is: 246,670.77
Step by Step Solution
- Step 1: Write the proportion equation
644,219.60 : 966,328.36 = 164,447.36 : x - Step 2: Convert to fraction form
644,219.60/966,328.36 = 164,447.36/x - Step 3: Cross multiply
644,219.60x = 966,328.36 × 164,447.36 - Step 4: Simplify right side
644,219.60x = 158,910,147,695.13 - Step 5: Solve for x
x = 158,910,147,695.13/644,219.60 - Step 6: Final answer
x = 246,670.77
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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.