Finding the Fourth Proportional to 506,350.50, 698,939.64 and 291,576.18
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Solution
The fourth proportional to 506,350.50, 698,939.64 and 291,576.18 is: 402,476.45
Step by Step Solution
- Step 1: Write the proportion equation
506,350.50 : 698,939.64 = 291,576.18 : x - Step 2: Convert to fraction form
506,350.50/698,939.64 = 291,576.18/x - Step 3: Cross multiply
506,350.50x = 698,939.64 × 291,576.18 - Step 4: Simplify right side
506,350.50x = 203,794,150,281.78 - Step 5: Solve for x
x = 203,794,150,281.78/506,350.50 - Step 6: Final answer
x = 402,476.45
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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.