Finding the Fourth Proportional to 247,454.91, 341,495.36 and 145,461.66
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Solution
The fourth proportional to 247,454.91, 341,495.36 and 145,461.66 is: 200,741.55
Step by Step Solution
- Step 1: Write the proportion equation
247,454.91 : 341,495.36 = 145,461.66 : x - Step 2: Convert to fraction form
247,454.91/341,495.36 = 145,461.66/x - Step 3: Cross multiply
247,454.91x = 341,495.36 × 145,461.66 - Step 4: Simplify right side
247,454.91x = 49,674,481,220.59 - Step 5: Solve for x
x = 49,674,481,220.59/247,454.91 - Step 6: Final answer
x = 200,741.55
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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.