Finding the Fourth Proportional to 521,044.14, 781,157.93 and 205,737.06
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Solution
The fourth proportional to 521,044.14, 781,157.93 and 205,737.06 is: 308,444.38
Step by Step Solution
- Step 1: Write the proportion equation
521,044.14 : 781,157.93 = 205,737.06 : x - Step 2: Convert to fraction form
521,044.14/781,157.93 = 205,737.06/x - Step 3: Cross multiply
521,044.14x = 781,157.93 × 205,737.06 - Step 4: Simplify right side
521,044.14x = 160,713,137,814.54 - Step 5: Solve for x
x = 160,713,137,814.54/521,044.14 - Step 6: Final answer
x = 308,444.38
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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.