Finding the Fourth Proportional to 169,167.21, 253,750.71 and 157,957.14
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Solution
The fourth proportional to 169,167.21, 253,750.71 and 157,957.14 is: 236,935.61
Step by Step Solution
- Step 1: Write the proportion equation
169,167.21 : 253,750.71 = 157,957.14 : x - Step 2: Convert to fraction form
169,167.21/253,750.71 = 157,957.14/x - Step 3: Cross multiply
169,167.21x = 253,750.71 × 157,957.14 - Step 4: Simplify right side
169,167.21x = 40,081,736,424.57 - Step 5: Solve for x
x = 40,081,736,424.57/169,167.21 - Step 6: Final answer
x = 236,935.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.