Finding the Fourth Proportional to 292,316.68, 438,446.29 and 198,151.75
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Solution
The fourth proportional to 292,316.68, 438,446.29 and 198,151.75 is: 297,208.15
Step by Step Solution
- Step 1: Write the proportion equation
292,316.68 : 438,446.29 = 198,151.75 : x - Step 2: Convert to fraction form
292,316.68/438,446.29 = 198,151.75/x - Step 3: Cross multiply
292,316.68x = 438,446.29 × 198,151.75 - Step 4: Simplify right side
292,316.68x = 86,878,899,644.51 - Step 5: Solve for x
x = 86,878,899,644.51/292,316.68 - Step 6: Final answer
x = 297,208.15
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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.