Finding the Fourth Proportional to 292,737.84, 403,978.14 and 158,601.84
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Solution
The fourth proportional to 292,737.84, 403,978.14 and 158,601.84 is: 218,870.50
Step by Step Solution
- Step 1: Write the proportion equation
292,737.84 : 403,978.14 = 158,601.84 : x - Step 2: Convert to fraction form
292,737.84/403,978.14 = 158,601.84/x - Step 3: Cross multiply
292,737.84x = 403,978.14 × 158,601.84 - Step 4: Simplify right side
292,737.84x = 64,071,676,323.78 - Step 5: Solve for x
x = 64,071,676,323.78/292,737.84 - Step 6: Final answer
x = 218,870.50
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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.