Finding the Fourth Proportional to 344,206.18, 475,055.85 and 271,442.26
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Solution
The fourth proportional to 344,206.18, 475,055.85 and 271,442.26 is: 374,630.79
Step by Step Solution
- Step 1: Write the proportion equation
344,206.18 : 475,055.85 = 271,442.26 : x - Step 2: Convert to fraction form
344,206.18/475,055.85 = 271,442.26/x - Step 3: Cross multiply
344,206.18x = 475,055.85 × 271,442.26 - Step 4: Simplify right side
344,206.18x = 128,950,233,550.22 - Step 5: Solve for x
x = 128,950,233,550.22/344,206.18 - Step 6: Final answer
x = 374,630.79
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1.5x scale
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.