Finding the Fourth Proportional to 377,312.67, 520,680.62 and 207,546.80
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Solution
The fourth proportional to 377,312.67, 520,680.62 and 207,546.80 is: 286,408.60
Step by Step Solution
- Step 1: Write the proportion equation
377,312.67 : 520,680.62 = 207,546.80 : x - Step 2: Convert to fraction form
377,312.67/520,680.62 = 207,546.80/x - Step 3: Cross multiply
377,312.67x = 520,680.62 × 207,546.80 - Step 4: Simplify right side
377,312.67x = 108,065,594,418.48 - Step 5: Solve for x
x = 108,065,594,418.48/377,312.67 - Step 6: Final answer
x = 286,408.60
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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.