Finding the Fourth Proportional to 157,398.26, 236,120.64 and 56,188.46
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Solution
The fourth proportional to 157,398.26, 236,120.64 and 56,188.46 is: 84,290.99
Step by Step Solution
- Step 1: Write the proportion equation
157,398.26 : 236,120.64 = 56,188.46 : x - Step 2: Convert to fraction form
157,398.26/236,120.64 = 56,188.46/x - Step 3: Cross multiply
157,398.26x = 236,120.64 × 56,188.46 - Step 4: Simplify right side
157,398.26x = 13,267,255,135.81 - Step 5: Solve for x
x = 13,267,255,135.81/157,398.26 - Step 6: Final answer
x = 84,290.99
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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.