Finding the Fourth Proportional to 455,833.68, 683,833.14 and 228,247.98
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Solution
The fourth proportional to 455,833.68, 683,833.14 and 228,247.98 is: 342,413.34
Step by Step Solution
- Step 1: Write the proportion equation
455,833.68 : 683,833.14 = 228,247.98 : x - Step 2: Convert to fraction form
455,833.68/683,833.14 = 228,247.98/x - Step 3: Cross multiply
455,833.68x = 683,833.14 × 228,247.98 - Step 4: Simplify right side
455,833.68x = 156,083,532,862.06 - Step 5: Solve for x
x = 156,083,532,862.06/455,833.68 - Step 6: Final answer
x = 342,413.34
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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.