Finding the Fourth Proportional to 157,341.48, 217,123.68 and 89,349.48
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Solution
The fourth proportional to 157,341.48, 217,123.68 and 89,349.48 is: 123,297.99
Step by Step Solution
- Step 1: Write the proportion equation
157,341.48 : 217,123.68 = 89,349.48 : x - Step 2: Convert to fraction form
157,341.48/217,123.68 = 89,349.48/x - Step 3: Cross multiply
157,341.48x = 217,123.68 × 89,349.48 - Step 4: Simplify right side
157,341.48x = 19,399,887,903.69 - Step 5: Solve for x
x = 19,399,887,903.69/157,341.48 - Step 6: Final answer
x = 123,297.99
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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.