Finding the Fourth Proportional to 212,753.79, 293,602.28 and 117,264.15
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Solution
The fourth proportional to 212,753.79, 293,602.28 and 117,264.15 is: 161,825.65
Step by Step Solution
- Step 1: Write the proportion equation
212,753.79 : 293,602.28 = 117,264.15 : x - Step 2: Convert to fraction form
212,753.79/293,602.28 = 117,264.15/x - Step 3: Cross multiply
212,753.79x = 293,602.28 × 117,264.15 - Step 4: Simplify right side
212,753.79x = 34,429,021,215.94 - Step 5: Solve for x
x = 34,429,021,215.94/212,753.79 - Step 6: Final answer
x = 161,825.65
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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.