Finding the Fourth Proportional to 158,384.63, 218,487.93 and 97,935.95
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Solution
The fourth proportional to 158,384.63, 218,487.93 and 97,935.95 is: 135,100.38
Step by Step Solution
- Step 1: Write the proportion equation
158,384.63 : 218,487.93 = 97,935.95 : x - Step 2: Convert to fraction form
158,384.63/218,487.93 = 97,935.95/x - Step 3: Cross multiply
158,384.63x = 218,487.93 × 97,935.95 - Step 4: Simplify right side
158,384.63x = 21,397,822,988.08 - Step 5: Solve for x
x = 21,397,822,988.08/158,384.63 - Step 6: Final answer
x = 135,100.38
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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.