Finding the Fourth Proportional to 637,257.17, 879,311.99 and 365,275.03
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Solution
The fourth proportional to 637,257.17, 879,311.99 and 365,275.03 is: 504,020.55
Step by Step Solution
- Step 1: Write the proportion equation
637,257.17 : 879,311.99 = 365,275.03 : x - Step 2: Convert to fraction form
637,257.17/879,311.99 = 365,275.03/x - Step 3: Cross multiply
637,257.17x = 879,311.99 × 365,275.03 - Step 4: Simplify right side
637,257.17x = 321,190,707,303.68 - Step 5: Solve for x
x = 321,190,707,303.68/637,257.17 - Step 6: Final answer
x = 504,020.55
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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.