Finding the Fourth Proportional to 472,269.30, 651,729.15 and 257,408.70
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Solution
The fourth proportional to 472,269.30, 651,729.15 and 257,408.70 is: 355,222.65
Step by Step Solution
- Step 1: Write the proportion equation
472,269.30 : 651,729.15 = 257,408.70 : x - Step 2: Convert to fraction form
472,269.30/651,729.15 = 257,408.70/x - Step 3: Cross multiply
472,269.30x = 651,729.15 × 257,408.70 - Step 4: Simplify right side
472,269.30x = 167,760,753,253.61 - Step 5: Solve for x
x = 167,760,753,253.61/472,269.30 - Step 6: Final answer
x = 355,222.65
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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.