Finding the Fourth Proportional to 415,268.10, 623,593.35 and 228,413.70
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Solution
The fourth proportional to 415,268.10, 623,593.35 and 228,413.70 is: 343,000.74
Step by Step Solution
- Step 1: Write the proportion equation
415,268.10 : 623,593.35 = 228,413.70 : x - Step 2: Convert to fraction form
415,268.10/623,593.35 = 228,413.70/x - Step 3: Cross multiply
415,268.10x = 623,593.35 × 228,413.70 - Step 4: Simplify right side
415,268.10x = 142,437,264,368.90 - Step 5: Solve for x
x = 142,437,264,368.90/415,268.10 - Step 6: Final answer
x = 343,000.74
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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.