Finding the Fourth Proportional to 292,646.42, 403,850.66 and 163,584.87
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Solution
The fourth proportional to 292,646.42, 403,850.66 and 163,584.87 is: 225,746.33
Step by Step Solution
- Step 1: Write the proportion equation
292,646.42 : 403,850.66 = 163,584.87 : x - Step 2: Convert to fraction form
292,646.42/403,850.66 = 163,584.87/x - Step 3: Cross multiply
292,646.42x = 403,850.66 × 163,584.87 - Step 4: Simplify right side
292,646.42x = 66,063,856,303.31 - Step 5: Solve for x
x = 66,063,856,303.31/292,646.42 - Step 6: Final answer
x = 225,746.33
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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.