Finding the Fourth Proportional to 228,113.68, 314,796.28 and 124,747.92
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Solution
The fourth proportional to 228,113.68, 314,796.28 and 124,747.92 is: 172,151.80
Step by Step Solution
- Step 1: Write the proportion equation
228,113.68 : 314,796.28 = 124,747.92 : x - Step 2: Convert to fraction form
228,113.68/314,796.28 = 124,747.92/x - Step 3: Cross multiply
228,113.68x = 314,796.28 × 124,747.92 - Step 4: Simplify right side
228,113.68x = 39,270,181,153.74 - Step 5: Solve for x
x = 39,270,181,153.74/228,113.68 - Step 6: Final answer
x = 172,151.80
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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.