Finding the Fourth Proportional to 663,611.70, 995,417.55 and 164,975.70
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Solution
The fourth proportional to 663,611.70, 995,417.55 and 164,975.70 is: 247,463.55
Step by Step Solution
- Step 1: Write the proportion equation
663,611.70 : 995,417.55 = 164,975.70 : x - Step 2: Convert to fraction form
663,611.70/995,417.55 = 164,975.70/x - Step 3: Cross multiply
663,611.70x = 995,417.55 × 164,975.70 - Step 4: Simplify right side
663,611.70x = 164,219,707,103.54 - Step 5: Solve for x
x = 164,219,707,103.54/663,611.70 - Step 6: Final answer
x = 247,463.55
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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.