Finding the Fourth Proportional to 291,756.29, 437,634.50 and 92,092.23
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Solution
The fourth proportional to 291,756.29, 437,634.50 and 92,092.23 is: 138,138.37
Step by Step Solution
- Step 1: Write the proportion equation
291,756.29 : 437,634.50 = 92,092.23 : x - Step 2: Convert to fraction form
291,756.29/437,634.50 = 92,092.23/x - Step 3: Cross multiply
291,756.29x = 437,634.50 × 92,092.23 - Step 4: Simplify right side
291,756.29x = 40,302,736,569.47 - Step 5: Solve for x
x = 40,302,736,569.47/291,756.29 - Step 6: Final answer
x = 138,138.37
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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.