Finding the Fourth Proportional to 336,163.30, 504,244.95 and 260,055.70
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Solution
The fourth proportional to 336,163.30, 504,244.95 and 260,055.70 is: 390,083.55
Step by Step Solution
- Step 1: Write the proportion equation
336,163.30 : 504,244.95 = 260,055.70 : x - Step 2: Convert to fraction form
336,163.30/504,244.95 = 260,055.70/x - Step 3: Cross multiply
336,163.30x = 504,244.95 × 260,055.70 - Step 4: Simplify right side
336,163.30x = 131,131,773,443.72 - Step 5: Solve for x
x = 131,131,773,443.72/336,163.30 - Step 6: Final answer
x = 390,083.55
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1.5x scale
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.