Finding the Fourth Proportional to 212,675.60, 319,013.88 and 199,684.88
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Solution
The fourth proportional to 212,675.60, 319,013.88 and 199,684.88 is: 299,527.77
Step by Step Solution
- Step 1: Write the proportion equation
212,675.60 : 319,013.88 = 199,684.88 : x - Step 2: Convert to fraction form
212,675.60/319,013.88 = 199,684.88/x - Step 3: Cross multiply
212,675.60x = 319,013.88 × 199,684.88 - Step 4: Simplify right side
212,675.60x = 63,702,248,346.13 - Step 5: Solve for x
x = 63,702,248,346.13/212,675.60 - Step 6: Final answer
x = 299,527.77
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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.