Finding the Fourth Proportional to 178,206.88, 245,864.94 and 101,670.99
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Solution
The fourth proportional to 178,206.88, 245,864.94 and 101,670.99 is: 140,271.42
Step by Step Solution
- Step 1: Write the proportion equation
178,206.88 : 245,864.94 = 101,670.99 : x - Step 2: Convert to fraction form
178,206.88/245,864.94 = 101,670.99/x - Step 3: Cross multiply
178,206.88x = 245,864.94 × 101,670.99 - Step 4: Simplify right side
178,206.88x = 24,997,331,241.43 - Step 5: Solve for x
x = 24,997,331,241.43/178,206.88 - Step 6: Final answer
x = 140,271.42
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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.