Finding the Fourth Proportional to 297,001.67, 445,495.14 and 86,641.43
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Solution
The fourth proportional to 297,001.67, 445,495.14 and 86,641.43 is: 129,959.99
Step by Step Solution
- Step 1: Write the proportion equation
297,001.67 : 445,495.14 = 86,641.43 : x - Step 2: Convert to fraction form
297,001.67/445,495.14 = 86,641.43/x - Step 3: Cross multiply
297,001.67x = 445,495.14 × 86,641.43 - Step 4: Simplify right side
297,001.67x = 38,598,333,760.17 - Step 5: Solve for x
x = 38,598,333,760.17/297,001.67 - Step 6: Final answer
x = 129,959.99
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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.