Finding the Fourth Proportional to 161,530.38, 242,281.68 and 98,334.09
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Solution
The fourth proportional to 161,530.38, 242,281.68 and 98,334.09 is: 147,492.68
Step by Step Solution
- Step 1: Write the proportion equation
161,530.38 : 242,281.68 = 98,334.09 : x - Step 2: Convert to fraction form
161,530.38/242,281.68 = 98,334.09/x - Step 3: Cross multiply
161,530.38x = 242,281.68 × 98,334.09 - Step 4: Simplify right side
161,530.38x = 23,824,548,526.47 - Step 5: Solve for x
x = 23,824,548,526.47/161,530.38 - Step 6: Final answer
x = 147,492.68
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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.