Finding the Fourth Proportional to 434,356.08, 651,542.76 and 285,545.52
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Solution
The fourth proportional to 434,356.08, 651,542.76 and 285,545.52 is: 428,323.96
Step by Step Solution
- Step 1: Write the proportion equation
434,356.08 : 651,542.76 = 285,545.52 : x - Step 2: Convert to fraction form
434,356.08/651,542.76 = 285,545.52/x - Step 3: Cross multiply
434,356.08x = 651,542.76 × 285,545.52 - Step 4: Simplify right side
434,356.08x = 186,045,116,206.44 - Step 5: Solve for x
x = 186,045,116,206.44/434,356.08 - Step 6: Final answer
x = 428,323.96
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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.