Finding the Fourth Proportional to 227,656.95, 314,207.71 and 135,782.12
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Solution
The fourth proportional to 227,656.95, 314,207.71 and 135,782.12 is: 187,403.86
Step by Step Solution
- Step 1: Write the proportion equation
227,656.95 : 314,207.71 = 135,782.12 : x - Step 2: Convert to fraction form
227,656.95/314,207.71 = 135,782.12/x - Step 3: Cross multiply
227,656.95x = 314,207.71 × 135,782.12 - Step 4: Simplify right side
227,656.95x = 42,663,790,193.98 - Step 5: Solve for x
x = 42,663,790,193.98/227,656.95 - Step 6: Final answer
x = 187,403.86
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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.