Finding the Fourth Proportional to 658,368.20, 987,552.30 and 237,657.80
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Solution
The fourth proportional to 658,368.20, 987,552.30 and 237,657.80 is: 356,486.70
Step by Step Solution
- Step 1: Write the proportion equation
658,368.20 : 987,552.30 = 237,657.80 : x - Step 2: Convert to fraction form
658,368.20/987,552.30 = 237,657.80/x - Step 3: Cross multiply
658,368.20x = 987,552.30 × 237,657.80 - Step 4: Simplify right side
658,368.20x = 234,699,507,002.94 - Step 5: Solve for x
x = 234,699,507,002.94/658,368.20 - Step 6: Final answer
x = 356,486.70
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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.