Finding the Fourth Proportional to 523,485.30, 722,413.17 and 297,134.58
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Solution
The fourth proportional to 523,485.30, 722,413.17 and 297,134.58 is: 410,047.68
Step by Step Solution
- Step 1: Write the proportion equation
523,485.30 : 722,413.17 = 297,134.58 : x - Step 2: Convert to fraction form
523,485.30/722,413.17 = 297,134.58/x - Step 3: Cross multiply
523,485.30x = 722,413.17 × 297,134.58 - Step 4: Simplify right side
523,485.30x = 214,653,933,854.42 - Step 5: Solve for x
x = 214,653,933,854.42/523,485.30 - Step 6: Final answer
x = 410,047.68
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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.