Finding the Fourth Proportional to 161,398.13, 242,136.08 and 50,590.13
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Solution
The fourth proportional to 161,398.13, 242,136.08 and 50,590.13 is: 75,897.38
Step by Step Solution
- Step 1: Write the proportion equation
161,398.13 : 242,136.08 = 50,590.13 : x - Step 2: Convert to fraction form
161,398.13/242,136.08 = 50,590.13/x - Step 3: Cross multiply
161,398.13x = 242,136.08 × 50,590.13 - Step 4: Simplify right side
161,398.13x = 12,249,694,301.26 - Step 5: Solve for x
x = 12,249,694,301.26/161,398.13 - Step 6: Final answer
x = 75,897.38
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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.