Finding the Fourth Proportional to 324,006.60, 485,621.10 and 166,153.80
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Solution
The fourth proportional to 324,006.60, 485,621.10 and 166,153.80 is: 249,031.32
Step by Step Solution
- Step 1: Write the proportion equation
324,006.60 : 485,621.10 = 166,153.80 : x - Step 2: Convert to fraction form
324,006.60/485,621.10 = 166,153.80/x - Step 3: Cross multiply
324,006.60x = 485,621.10 × 166,153.80 - Step 4: Simplify right side
324,006.60x = 80,687,791,125.18 - Step 5: Solve for x
x = 80,687,791,125.18/324,006.60 - Step 6: Final answer
x = 249,031.32
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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.