Finding the Fourth Proportional to 90,263.84, 135,413.98 and 62,197.34
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Solution
The fourth proportional to 90,263.84, 135,413.98 and 62,197.34 is: 93,308.56
Step by Step Solution
- Step 1: Write the proportion equation
90,263.84 : 135,413.98 = 62,197.34 : x - Step 2: Convert to fraction form
90,263.84/135,413.98 = 62,197.34/x - Step 3: Cross multiply
90,263.84x = 135,413.98 × 62,197.34 - Step 4: Simplify right side
90,263.84x = 8,422,388,522.25 - Step 5: Solve for x
x = 8,422,388,522.25/90,263.84 - Step 6: Final answer
x = 93,308.56
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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.