Finding the Fourth Proportional to 141,478.08, 212,220.36 and 46,677.84
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Solution
The fourth proportional to 141,478.08, 212,220.36 and 46,677.84 is: 70,017.83
Step by Step Solution
- Step 1: Write the proportion equation
141,478.08 : 212,220.36 = 46,677.84 : x - Step 2: Convert to fraction form
141,478.08/212,220.36 = 46,677.84/x - Step 3: Cross multiply
141,478.08x = 212,220.36 × 46,677.84 - Step 4: Simplify right side
141,478.08x = 9,905,988,008.82 - Step 5: Solve for x
x = 9,905,988,008.82/141,478.08 - Step 6: Final answer
x = 70,017.83
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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.