Finding the Fourth Proportional to 419,089.05, 578,344.00 and 237,800.49
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Solution
The fourth proportional to 419,089.05, 578,344.00 and 237,800.49 is: 328,165.31
Step by Step Solution
- Step 1: Write the proportion equation
419,089.05 : 578,344.00 = 237,800.49 : x - Step 2: Convert to fraction form
419,089.05/578,344.00 = 237,800.49/x - Step 3: Cross multiply
419,089.05x = 578,344.00 × 237,800.49 - Step 4: Simplify right side
419,089.05x = 137,530,485,994.06 - Step 5: Solve for x
x = 137,530,485,994.06/419,089.05 - Step 6: Final answer
x = 328,165.31
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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.