Finding the Fourth Proportional to 313,482.24, 432,737.88 and 211,645.62
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Solution
The fourth proportional to 313,482.24, 432,737.88 and 211,645.62 is: 292,160.34
Step by Step Solution
- Step 1: Write the proportion equation
313,482.24 : 432,737.88 = 211,645.62 : x - Step 2: Convert to fraction form
313,482.24/432,737.88 = 211,645.62/x - Step 3: Cross multiply
313,482.24x = 432,737.88 × 211,645.62 - Step 4: Simplify right side
313,482.24x = 91,587,076,910.09 - Step 5: Solve for x
x = 91,587,076,910.09/313,482.24 - Step 6: Final answer
x = 292,160.34
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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.