Finding the Fourth Proportional to 313,132.86, 469,495.17 and 133,124.94
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Solution
The fourth proportional to 313,132.86, 469,495.17 and 133,124.94 is: 199,600.63
Step by Step Solution
- Step 1: Write the proportion equation
313,132.86 : 469,495.17 = 133,124.94 : x - Step 2: Convert to fraction form
313,132.86/469,495.17 = 133,124.94/x - Step 3: Cross multiply
313,132.86x = 469,495.17 × 133,124.94 - Step 4: Simplify right side
313,132.86x = 62,501,516,336.54 - Step 5: Solve for x
x = 62,501,516,336.54/313,132.86 - Step 6: Final answer
x = 199,600.63
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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.