Finding the Fourth Proportional to 224,413.62, 336,329.56 and 91,139.05
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Solution
The fourth proportional to 224,413.62, 336,329.56 and 91,139.05 is: 136,590.45
Step by Step Solution
- Step 1: Write the proportion equation
224,413.62 : 336,329.56 = 91,139.05 : x - Step 2: Convert to fraction form
224,413.62/336,329.56 = 91,139.05/x - Step 3: Cross multiply
224,413.62x = 336,329.56 × 91,139.05 - Step 4: Simplify right side
224,413.62x = 30,652,756,585.32 - Step 5: Solve for x
x = 30,652,756,585.32/224,413.62 - Step 6: Final answer
x = 136,590.45
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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.