Finding the Fourth Proportional to 291,539.05, 402,186.40 and 170,606.14
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Solution
The fourth proportional to 291,539.05, 402,186.40 and 170,606.14 is: 235,356.02
Step by Step Solution
- Step 1: Write the proportion equation
291,539.05 : 402,186.40 = 170,606.14 : x - Step 2: Convert to fraction form
291,539.05/402,186.40 = 170,606.14/x - Step 3: Cross multiply
291,539.05x = 402,186.40 × 170,606.14 - Step 4: Simplify right side
291,539.05x = 68,615,469,264.50 - Step 5: Solve for x
x = 68,615,469,264.50/291,539.05 - Step 6: Final answer
x = 235,356.02
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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.