Finding the Fourth Proportional to 493,346.70, 740,020.05 and 193,727.70
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Solution
The fourth proportional to 493,346.70, 740,020.05 and 193,727.70 is: 290,591.55
Step by Step Solution
- Step 1: Write the proportion equation
493,346.70 : 740,020.05 = 193,727.70 : x - Step 2: Convert to fraction form
493,346.70/740,020.05 = 193,727.70/x - Step 3: Cross multiply
493,346.70x = 740,020.05 × 193,727.70 - Step 4: Simplify right side
493,346.70x = 143,362,382,240.39 - Step 5: Solve for x
x = 143,362,382,240.39/493,346.70 - Step 6: Final answer
x = 290,591.55
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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.