Finding the Fourth Proportional to 212,875.38, 319,314.38 and 63,117.09
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Solution
The fourth proportional to 212,875.38, 319,314.38 and 63,117.09 is: 94,676.02
Step by Step Solution
- Step 1: Write the proportion equation
212,875.38 : 319,314.38 = 63,117.09 : x - Step 2: Convert to fraction form
212,875.38/319,314.38 = 63,117.09/x - Step 3: Cross multiply
212,875.38x = 319,314.38 × 63,117.09 - Step 4: Simplify right side
212,875.38x = 20,154,194,145.17 - Step 5: Solve for x
x = 20,154,194,145.17/212,875.38 - Step 6: Final answer
x = 94,676.02
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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.