Finding the Fourth Proportional to 373,840.54, 515,830.92 and 212,686.18
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Solution
The fourth proportional to 373,840.54, 515,830.92 and 212,686.18 is: 293,467.66
Step by Step Solution
- Step 1: Write the proportion equation
373,840.54 : 515,830.92 = 212,686.18 : x - Step 2: Convert to fraction form
373,840.54/515,830.92 = 212,686.18/x - Step 3: Cross multiply
373,840.54x = 515,830.92 × 212,686.18 - Step 4: Simplify right side
373,840.54x = 109,710,105,321.53 - Step 5: Solve for x
x = 109,710,105,321.53/373,840.54 - Step 6: Final answer
x = 293,467.66
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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.