Finding the Fourth Proportional to 498,920.18, 748,913.09 and 214,751.48
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Solution
The fourth proportional to 498,920.18, 748,913.09 and 214,751.48 is: 322,356.56
Step by Step Solution
- Step 1: Write the proportion equation
498,920.18 : 748,913.09 = 214,751.48 : x - Step 2: Convert to fraction form
498,920.18/748,913.09 = 214,751.48/x - Step 3: Cross multiply
498,920.18x = 748,913.09 × 214,751.48 - Step 4: Simplify right side
498,920.18x = 160,830,189,650.55 - Step 5: Solve for x
x = 160,830,189,650.55/498,920.18 - Step 6: Final answer
x = 322,356.56
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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.