Finding the Fourth Proportional to 373,944.74, 515,781.88 and 253,032.80
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Solution
The fourth proportional to 373,944.74, 515,781.88 and 253,032.80 is: 349,008.07
Step by Step Solution
- Step 1: Write the proportion equation
373,944.74 : 515,781.88 = 253,032.80 : x - Step 2: Convert to fraction form
373,944.74/515,781.88 = 253,032.80/x - Step 3: Cross multiply
373,944.74x = 515,781.88 × 253,032.80 - Step 4: Simplify right side
373,944.74x = 130,509,730,074.17 - Step 5: Solve for x
x = 130,509,730,074.17/373,944.74 - Step 6: Final answer
x = 349,008.07
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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.