Finding the Fourth Proportional to 207,032.20, 310,621.20 and 88,739.80
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Solution
The fourth proportional to 207,032.20, 310,621.20 and 88,739.80 is: 133,140.95
Step by Step Solution
- Step 1: Write the proportion equation
207,032.20 : 310,621.20 = 88,739.80 : x - Step 2: Convert to fraction form
207,032.20/310,621.20 = 88,739.80/x - Step 3: Cross multiply
207,032.20x = 310,621.20 × 88,739.80 - Step 4: Simplify right side
207,032.20x = 27,564,463,163.76 - Step 5: Solve for x
x = 27,564,463,163.76/207,032.20 - Step 6: Final answer
x = 133,140.95
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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.