Finding the Fourth Proportional to 142,533.68, 213,740.30 and 42,708.02
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Solution
The fourth proportional to 142,533.68, 213,740.30 and 42,708.02 is: 64,043.99
Step by Step Solution
- Step 1: Write the proportion equation
142,533.68 : 213,740.30 = 42,708.02 : x - Step 2: Convert to fraction form
142,533.68/213,740.30 = 42,708.02/x - Step 3: Cross multiply
142,533.68x = 213,740.30 × 42,708.02 - Step 4: Simplify right side
142,533.68x = 9,128,425,007.21 - Step 5: Solve for x
x = 9,128,425,007.21/142,533.68 - Step 6: Final answer
x = 64,043.99
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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.