Finding the Fourth Proportional to 624,855.12, 937,088.80 and 225,443.96
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Solution
The fourth proportional to 624,855.12, 937,088.80 and 225,443.96 is: 338,095.99
Step by Step Solution
- Step 1: Write the proportion equation
624,855.12 : 937,088.80 = 225,443.96 : x - Step 2: Convert to fraction form
624,855.12/937,088.80 = 225,443.96/x - Step 3: Cross multiply
624,855.12x = 937,088.80 × 225,443.96 - Step 4: Simplify right side
624,855.12x = 211,261,009,943.65 - Step 5: Solve for x
x = 211,261,009,943.65/624,855.12 - Step 6: Final answer
x = 338,095.99
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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.