Finding the Fourth Proportional to 158,356.76, 218,449.51 and 97,908.08
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Solution
The fourth proportional to 158,356.76, 218,449.51 and 97,908.08 is: 135,061.94
Step by Step Solution
- Step 1: Write the proportion equation
158,356.76 : 218,449.51 = 97,908.08 : x - Step 2: Convert to fraction form
158,356.76/218,449.51 = 97,908.08/x - Step 3: Cross multiply
158,356.76x = 218,449.51 × 97,908.08 - Step 4: Simplify right side
158,356.76x = 21,387,970,764.02 - Step 5: Solve for x
x = 21,387,970,764.02/158,356.76 - Step 6: Final answer
x = 135,061.94
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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.