Finding the Fourth Proportional to 212,070.84, 292,658.08 and 116,578.12
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Solution
The fourth proportional to 212,070.84, 292,658.08 and 116,578.12 is: 160,877.98
Step by Step Solution
- Step 1: Write the proportion equation
212,070.84 : 292,658.08 = 116,578.12 : x - Step 2: Convert to fraction form
212,070.84/292,658.08 = 116,578.12/x - Step 3: Cross multiply
212,070.84x = 292,658.08 × 116,578.12 - Step 4: Simplify right side
212,070.84x = 34,117,528,769.21 - Step 5: Solve for x
x = 34,117,528,769.21/212,070.84 - Step 6: Final answer
x = 160,877.98
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1.5x scale
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.