Finding the Fourth Proportional to 472,458.48, 651,463.02 and 386,149.62
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Solution
The fourth proportional to 472,458.48, 651,463.02 and 386,149.62 is: 532,453.56
Step by Step Solution
- Step 1: Write the proportion equation
472,458.48 : 651,463.02 = 386,149.62 : x - Step 2: Convert to fraction form
472,458.48/651,463.02 = 386,149.62/x - Step 3: Cross multiply
472,458.48x = 651,463.02 × 386,149.62 - Step 4: Simplify right side
472,458.48x = 251,562,197,617.05 - Step 5: Solve for x
x = 251,562,197,617.05/472,458.48 - Step 6: Final answer
x = 532,453.56
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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.