Finding the Fourth Proportional to 397,239.09, 595,671.35 and 144,341.25
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Solution
The fourth proportional to 397,239.09, 595,671.35 and 144,341.25 is: 216,443.82
Step by Step Solution
- Step 1: Write the proportion equation
397,239.09 : 595,671.35 = 144,341.25 : x - Step 2: Convert to fraction form
397,239.09/595,671.35 = 144,341.25/x - Step 3: Cross multiply
397,239.09x = 595,671.35 × 144,341.25 - Step 4: Simplify right side
397,239.09x = 85,979,946,526.48 - Step 5: Solve for x
x = 85,979,946,526.48/397,239.09 - Step 6: Final answer
x = 216,443.82
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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.