Finding the Fourth Proportional to 228,230.49, 314,952.39 and 126,261.63
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Solution
The fourth proportional to 228,230.49, 314,952.39 and 126,261.63 is: 174,237.90
Step by Step Solution
- Step 1: Write the proportion equation
228,230.49 : 314,952.39 = 126,261.63 : x - Step 2: Convert to fraction form
228,230.49/314,952.39 = 126,261.63/x - Step 3: Cross multiply
228,230.49x = 314,952.39 × 126,261.63 - Step 4: Simplify right side
228,230.49x = 39,766,402,133.80 - Step 5: Solve for x
x = 39,766,402,133.80/228,230.49 - Step 6: Final answer
x = 174,237.90
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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.