Finding the Fourth Proportional to 157,984.18, 236,766.66 and 69,140.95
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Solution
The fourth proportional to 157,984.18, 236,766.66 and 69,140.95 is: 103,619.69
Step by Step Solution
- Step 1: Write the proportion equation
157,984.18 : 236,766.66 = 69,140.95 : x - Step 2: Convert to fraction form
157,984.18/236,766.66 = 69,140.95/x - Step 3: Cross multiply
157,984.18x = 236,766.66 × 69,140.95 - Step 4: Simplify right side
157,984.18x = 16,370,271,800.73 - Step 5: Solve for x
x = 16,370,271,800.73/157,984.18 - Step 6: Final answer
x = 103,619.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.