Finding the Fourth Proportional to 493,305.64, 680,762.39 and 266,951.14
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Solution
The fourth proportional to 493,305.64, 680,762.39 and 266,951.14 is: 368,392.90
Step by Step Solution
- Step 1: Write the proportion equation
493,305.64 : 680,762.39 = 266,951.14 : x - Step 2: Convert to fraction form
493,305.64/680,762.39 = 266,951.14/x - Step 3: Cross multiply
493,305.64x = 680,762.39 × 266,951.14 - Step 4: Simplify right side
493,305.64x = 181,730,296,079.63 - Step 5: Solve for x
x = 181,730,296,079.63/493,305.64 - Step 6: Final answer
x = 368,392.90
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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.