Finding the Fourth Proportional to 374,673.08, 517,062.01 and 213,502.12
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Solution
The fourth proportional to 374,673.08, 517,062.01 and 213,502.12 is: 294,640.42
Step by Step Solution
- Step 1: Write the proportion equation
374,673.08 : 517,062.01 = 213,502.12 : x - Step 2: Convert to fraction form
374,673.08/517,062.01 = 213,502.12/x - Step 3: Cross multiply
374,673.08x = 517,062.01 × 213,502.12 - Step 4: Simplify right side
374,673.08x = 110,393,833,480.05 - Step 5: Solve for x
x = 110,393,833,480.05/374,673.08 - Step 6: Final answer
x = 294,640.42
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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.