Finding the Fourth Proportional to 554,657.36, 831,425.49 and 217,565.98
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Solution
The fourth proportional to 554,657.36, 831,425.49 and 217,565.98 is: 326,129.09
Step by Step Solution
- Step 1: Write the proportion equation
554,657.36 : 831,425.49 = 217,565.98 : x - Step 2: Convert to fraction form
554,657.36/831,425.49 = 217,565.98/x - Step 3: Cross multiply
554,657.36x = 831,425.49 × 217,565.98 - Step 4: Simplify right side
554,657.36x = 180,889,899,450.27 - Step 5: Solve for x
x = 180,889,899,450.27/554,657.36 - Step 6: Final answer
x = 326,129.09
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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.