Finding the Fourth Proportional to 320,463.08, 480,274.14 and 235,827.08
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Solution
The fourth proportional to 320,463.08, 480,274.14 and 235,827.08 is: 353,431.19
Step by Step Solution
- Step 1: Write the proportion equation
320,463.08 : 480,274.14 = 235,827.08 : x - Step 2: Convert to fraction form
320,463.08/480,274.14 = 235,827.08/x - Step 3: Cross multiply
320,463.08x = 480,274.14 × 235,827.08 - Step 4: Simplify right side
320,463.08x = 113,261,648,035.71 - Step 5: Solve for x
x = 113,261,648,035.71/320,463.08 - Step 6: Final answer
x = 353,431.19
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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.