Finding the Fourth Proportional to 169,356.88, 233,731.74 and 97,756.12
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Solution
The fourth proportional to 169,356.88, 233,731.74 and 97,756.12 is: 134,914.55
Step by Step Solution
- Step 1: Write the proportion equation
169,356.88 : 233,731.74 = 97,756.12 : x - Step 2: Convert to fraction form
169,356.88/233,731.74 = 97,756.12/x - Step 3: Cross multiply
169,356.88x = 233,731.74 × 97,756.12 - Step 4: Simplify right side
169,356.88x = 22,848,708,023.25 - Step 5: Solve for x
x = 22,848,708,023.25/169,356.88 - Step 6: Final answer
x = 134,914.55
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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.