Finding the Fourth Proportional to 506,042.06, 758,688.08 and 306,315.20
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Solution
The fourth proportional to 506,042.06, 758,688.08 and 306,315.20 is: 459,245.81
Step by Step Solution
- Step 1: Write the proportion equation
506,042.06 : 758,688.08 = 306,315.20 : x - Step 2: Convert to fraction form
506,042.06/758,688.08 = 306,315.20/x - Step 3: Cross multiply
506,042.06x = 758,688.08 × 306,315.20 - Step 4: Simplify right side
506,042.06x = 232,397,691,327.96 - Step 5: Solve for x
x = 232,397,691,327.96/506,042.06 - Step 6: Final answer
x = 459,245.81
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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.