Finding the Fourth Proportional to 142,583.36, 213,807.84 and 42,704.96
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Solution
The fourth proportional to 142,583.36, 213,807.84 and 42,704.96 is: 64,037.31
Step by Step Solution
- Step 1: Write the proportion equation
142,583.36 : 213,807.84 = 42,704.96 : x - Step 2: Convert to fraction form
142,583.36/213,807.84 = 42,704.96/x - Step 3: Cross multiply
142,583.36x = 213,807.84 × 42,704.96 - Step 4: Simplify right side
142,583.36x = 9,130,655,254.89 - Step 5: Solve for x
x = 9,130,655,254.89/142,583.36 - Step 6: Final answer
x = 64,037.31
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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.