Finding the Fourth Proportional to 399,760.08, 551,737.16 and 238,623.44
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Solution
The fourth proportional to 399,760.08, 551,737.16 and 238,623.44 is: 329,341.09
Step by Step Solution
- Step 1: Write the proportion equation
399,760.08 : 551,737.16 = 238,623.44 : x - Step 2: Convert to fraction form
399,760.08/551,737.16 = 238,623.44/x - Step 3: Cross multiply
399,760.08x = 551,737.16 × 238,623.44 - Step 4: Simplify right side
399,760.08x = 131,657,419,095.03 - Step 5: Solve for x
x = 131,657,419,095.03/399,760.08 - Step 6: Final answer
x = 329,341.09
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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.