Finding the Fourth Proportional to 493,305.94, 680,762.20 and 266,951.44
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Solution
The fourth proportional to 493,305.94, 680,762.20 and 266,951.44 is: 368,392.99
Step by Step Solution
- Step 1: Write the proportion equation
493,305.94 : 680,762.20 = 266,951.44 : x - Step 2: Convert to fraction form
493,305.94/680,762.20 = 266,951.44/x - Step 3: Cross multiply
493,305.94x = 680,762.20 × 266,951.44 - Step 4: Simplify right side
493,305.94x = 181,730,447,218.28 - Step 5: Solve for x
x = 181,730,447,218.28/493,305.94 - Step 6: Final answer
x = 368,392.99
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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.