Finding the Fourth Proportional to 157,816.80, 236,756.72 and 56,587.79
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Solution
The fourth proportional to 157,816.80, 236,756.72 and 56,587.79 is: 84,892.99
Step by Step Solution
- Step 1: Write the proportion equation
157,816.80 : 236,756.72 = 56,587.79 : x - Step 2: Convert to fraction form
157,816.80/236,756.72 = 56,587.79/x - Step 3: Cross multiply
157,816.80x = 236,756.72 × 56,587.79 - Step 4: Simplify right side
157,816.80x = 13,397,540,285.81 - Step 5: Solve for x
x = 13,397,540,285.81/157,816.80 - Step 6: Final answer
x = 84,892.99
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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.