Finding the Fourth Proportional to 212,681.21, 319,050.97 and 94,349.93
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Solution
The fourth proportional to 212,681.21, 319,050.97 and 94,349.93 is: 141,537.82
Step by Step Solution
- Step 1: Write the proportion equation
212,681.21 : 319,050.97 = 94,349.93 : x - Step 2: Convert to fraction form
212,681.21/319,050.97 = 94,349.93/x - Step 3: Cross multiply
212,681.21x = 319,050.97 × 94,349.93 - Step 4: Simplify right side
212,681.21x = 30,102,434,854.80 - Step 5: Solve for x
x = 30,102,434,854.80/212,681.21 - Step 6: Final answer
x = 141,537.82
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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.