Finding the Fourth Proportional to 195,393.99, 292,937.88 and 77,153.84
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Solution
The fourth proportional to 195,393.99, 292,937.88 and 77,153.84 is: 115,670.30
Step by Step Solution
- Step 1: Write the proportion equation
195,393.99 : 292,937.88 = 77,153.84 : x - Step 2: Convert to fraction form
195,393.99/292,937.88 = 77,153.84/x - Step 3: Cross multiply
195,393.99x = 292,937.88 × 77,153.84 - Step 4: Simplify right side
195,393.99x = 22,601,280,569.44 - Step 5: Solve for x
x = 22,601,280,569.44/195,393.99 - Step 6: Final answer
x = 115,670.30
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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.