Finding the Fourth Proportional to 434,545.20, 651,817.80 and 368,279.10
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Solution
The fourth proportional to 434,545.20, 651,817.80 and 368,279.10 is: 552,418.65
Step by Step Solution
- Step 1: Write the proportion equation
434,545.20 : 651,817.80 = 368,279.10 : x - Step 2: Convert to fraction form
434,545.20/651,817.80 = 368,279.10/x - Step 3: Cross multiply
434,545.20x = 651,817.80 × 368,279.10 - Step 4: Simplify right side
434,545.20x = 240,050,872,747.98 - Step 5: Solve for x
x = 240,050,872,747.98/434,545.20 - Step 6: Final answer
x = 552,418.65
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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.