Finding the Fourth Proportional to 368,445.69, 508,418.76 and 207,297.18
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Solution
The fourth proportional to 368,445.69, 508,418.76 and 207,297.18 is: 286,049.69
Step by Step Solution
- Step 1: Write the proportion equation
368,445.69 : 508,418.76 = 207,297.18 : x - Step 2: Convert to fraction form
368,445.69/508,418.76 = 207,297.18/x - Step 3: Cross multiply
368,445.69x = 508,418.76 × 207,297.18 - Step 4: Simplify right side
368,445.69x = 105,393,775,207.10 - Step 5: Solve for x
x = 105,393,775,207.10/368,445.69 - Step 6: Final answer
x = 286,049.69
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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.