Finding the Fourth Proportional to 419,030.16, 578,274.68 and 237,749.73
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Solution
The fourth proportional to 419,030.16, 578,274.68 and 237,749.73 is: 328,102.03
Step by Step Solution
- Step 1: Write the proportion equation
419,030.16 : 578,274.68 = 237,749.73 : x - Step 2: Convert to fraction form
419,030.16/578,274.68 = 237,749.73/x - Step 3: Cross multiply
419,030.16x = 578,274.68 × 237,749.73 - Step 4: Simplify right side
419,030.16x = 137,484,647,847.09 - Step 5: Solve for x
x = 137,484,647,847.09/419,030.16 - Step 6: Final answer
x = 328,102.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.