Finding the Fourth Proportional to 157,773.62, 236,746.54 and 91,343.49
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Solution
The fourth proportional to 157,773.62, 236,746.54 and 91,343.49 is: 137,065.09
Step by Step Solution
- Step 1: Write the proportion equation
157,773.62 : 236,746.54 = 91,343.49 : x - Step 2: Convert to fraction form
157,773.62/236,746.54 = 91,343.49/x - Step 3: Cross multiply
157,773.62x = 236,746.54 × 91,343.49 - Step 4: Simplify right side
157,773.62x = 21,625,255,209.02 - Step 5: Solve for x
x = 21,625,255,209.02/157,773.62 - Step 6: Final answer
x = 137,065.09
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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.