Finding the Fourth Proportional to 291,788.73, 437,721.33 and 114,272.67
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Solution
The fourth proportional to 291,788.73, 437,721.33 and 114,272.67 is: 171,423.99
Step by Step Solution
- Step 1: Write the proportion equation
291,788.73 : 437,721.33 = 114,272.67 : x - Step 2: Convert to fraction form
291,788.73/437,721.33 = 114,272.67/x - Step 3: Cross multiply
291,788.73x = 437,721.33 × 114,272.67 - Step 4: Simplify right side
291,788.73x = 50,019,587,165.03 - Step 5: Solve for x
x = 50,019,587,165.03/291,788.73 - Step 6: Final answer
x = 171,423.99
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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.