Finding the Fourth Proportional to 493,685.44, 740,553.54 and 138,727.14
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Solution
The fourth proportional to 493,685.44, 740,553.54 and 138,727.14 is: 208,097.84
Step by Step Solution
- Step 1: Write the proportion equation
493,685.44 : 740,553.54 = 138,727.14 : x - Step 2: Convert to fraction form
493,685.44/740,553.54 = 138,727.14/x - Step 3: Cross multiply
493,685.44x = 740,553.54 × 138,727.14 - Step 4: Simplify right side
493,685.44x = 102,734,874,621.08 - Step 5: Solve for x
x = 102,734,874,621.08/493,685.44 - Step 6: Final answer
x = 208,097.84
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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.