Finding the Fourth Proportional to 227,781.60, 314,331.12 and 127,177.44
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Solution
The fourth proportional to 227,781.60, 314,331.12 and 127,177.44 is: 175,500.69
Step by Step Solution
- Step 1: Write the proportion equation
227,781.60 : 314,331.12 = 127,177.44 : x - Step 2: Convert to fraction form
227,781.60/314,331.12 = 127,177.44/x - Step 3: Cross multiply
227,781.60x = 314,331.12 × 127,177.44 - Step 4: Simplify right side
227,781.60x = 39,975,827,153.93 - Step 5: Solve for x
x = 39,975,827,153.93/227,781.60 - Step 6: Final answer
x = 175,500.69
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1.5x scale
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.