Finding the Fourth Proportional to 493,311.57, 680,769.96 and 266,957.07
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Solution
The fourth proportional to 493,311.57, 680,769.96 and 266,957.07 is: 368,400.75
Step by Step Solution
- Step 1: Write the proportion equation
493,311.57 : 680,769.96 = 266,957.07 : x - Step 2: Convert to fraction form
493,311.57/680,769.96 = 266,957.07/x - Step 3: Cross multiply
493,311.57x = 680,769.96 × 266,957.07 - Step 4: Simplify right side
493,311.57x = 181,736,353,865.62 - Step 5: Solve for x
x = 181,736,353,865.62/493,311.57 - Step 6: Final answer
x = 368,400.75
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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.