Finding the Fourth Proportional to 455,279.63, 628,269.42 and 251,326.17
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Solution
The fourth proportional to 455,279.63, 628,269.42 and 251,326.17 is: 346,821.02
Step by Step Solution
- Step 1: Write the proportion equation
455,279.63 : 628,269.42 = 251,326.17 : x - Step 2: Convert to fraction form
455,279.63/628,269.42 = 251,326.17/x - Step 3: Cross multiply
455,279.63x = 628,269.42 × 251,326.17 - Step 4: Simplify right side
455,279.63x = 157,900,544,818.48 - Step 5: Solve for x
x = 157,900,544,818.48/455,279.63 - Step 6: Final answer
x = 346,821.02
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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.