Finding the Fourth Proportional to 405,063.63, 607,024.98 and 309,925.49
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Solution
The fourth proportional to 405,063.63, 607,024.98 and 309,925.49 is: 464,451.75
Step by Step Solution
- Step 1: Write the proportion equation
405,063.63 : 607,024.98 = 309,925.49 : x - Step 2: Convert to fraction form
405,063.63/607,024.98 = 309,925.49/x - Step 3: Cross multiply
405,063.63x = 607,024.98 × 309,925.49 - Step 4: Simplify right side
405,063.63x = 188,132,511,333.62 - Step 5: Solve for x
x = 188,132,511,333.62/405,063.63 - Step 6: Final answer
x = 464,451.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.