Finding the Fourth Proportional to 661,184.36, 912,415.24 and 374,730.92
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Solution
The fourth proportional to 661,184.36, 912,415.24 and 374,730.92 is: 517,117.80
Step by Step Solution
- Step 1: Write the proportion equation
661,184.36 : 912,415.24 = 374,730.92 : x - Step 2: Convert to fraction form
661,184.36/912,415.24 = 374,730.92/x - Step 3: Cross multiply
661,184.36x = 912,415.24 × 374,730.92 - Step 4: Simplify right side
661,184.36x = 341,910,202,307.22 - Step 5: Solve for x
x = 341,910,202,307.22/661,184.36 - Step 6: Final answer
x = 517,117.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.