Finding the Fourth Proportional to 277,308.24, 415,972.79 and 77,623.50
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Solution
The fourth proportional to 277,308.24, 415,972.79 and 77,623.50 is: 116,438.17
Step by Step Solution
- Step 1: Write the proportion equation
277,308.24 : 415,972.79 = 77,623.50 : x - Step 2: Convert to fraction form
277,308.24/415,972.79 = 77,623.50/x - Step 3: Cross multiply
277,308.24x = 415,972.79 × 77,623.50 - Step 4: Simplify right side
277,308.24x = 32,289,263,476.45 - Step 5: Solve for x
x = 32,289,263,476.45/277,308.24 - Step 6: Final answer
x = 116,438.17
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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.