Finding the Fourth Proportional to 272,316.30, 408,474.45 and 202,332.30
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Solution
The fourth proportional to 272,316.30, 408,474.45 and 202,332.30 is: 303,498.45
Step by Step Solution
- Step 1: Write the proportion equation
272,316.30 : 408,474.45 = 202,332.30 : x - Step 2: Convert to fraction form
272,316.30/408,474.45 = 202,332.30/x - Step 3: Cross multiply
272,316.30x = 408,474.45 × 202,332.30 - Step 4: Simplify right side
272,316.30x = 82,647,574,959.74 - Step 5: Solve for x
x = 82,647,574,959.74/272,316.30 - Step 6: Final answer
x = 303,498.45
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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.