Finding the Fourth Proportional to 291,253.29, 436,929.74 and 133,495.26
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Solution
The fourth proportional to 291,253.29, 436,929.74 and 133,495.26 is: 200,265.72
Step by Step Solution
- Step 1: Write the proportion equation
291,253.29 : 436,929.74 = 133,495.26 : x - Step 2: Convert to fraction form
291,253.29/436,929.74 = 133,495.26/x - Step 3: Cross multiply
291,253.29x = 436,929.74 × 133,495.26 - Step 4: Simplify right side
291,253.29x = 58,328,048,188.59 - Step 5: Solve for x
x = 58,328,048,188.59/291,253.29 - Step 6: Final answer
x = 200,265.72
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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.