Finding the Fourth Proportional to 437,948.27, 604,478.70 and 247,072.38
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Solution
The fourth proportional to 437,948.27, 604,478.70 and 247,072.38 is: 341,021.99
Step by Step Solution
- Step 1: Write the proportion equation
437,948.27 : 604,478.70 = 247,072.38 : x - Step 2: Convert to fraction form
437,948.27/604,478.70 = 247,072.38/x - Step 3: Cross multiply
437,948.27x = 604,478.70 × 247,072.38 - Step 4: Simplify right side
437,948.27x = 149,349,991,068.31 - Step 5: Solve for x
x = 149,349,991,068.31/437,948.27 - Step 6: Final answer
x = 341,021.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.