Finding the Fourth Proportional to 472,373.16, 651,678.68 and 278,703.98
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Solution
The fourth proportional to 472,373.16, 651,678.68 and 278,703.98 is: 384,495.69
Step by Step Solution
- Step 1: Write the proportion equation
472,373.16 : 651,678.68 = 278,703.98 : x - Step 2: Convert to fraction form
472,373.16/651,678.68 = 278,703.98/x - Step 3: Cross multiply
472,373.16x = 651,678.68 × 278,703.98 - Step 4: Simplify right side
472,373.16x = 181,625,441,797.15 - Step 5: Solve for x
x = 181,625,441,797.15/472,373.16 - Step 6: Final answer
x = 384,495.69
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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.