Finding the Fourth Proportional to 311,243.20, 466,864.80 and 249,035.20
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Solution
The fourth proportional to 311,243.20, 466,864.80 and 249,035.20 is: 373,552.80
Step by Step Solution
- Step 1: Write the proportion equation
311,243.20 : 466,864.80 = 249,035.20 : x - Step 2: Convert to fraction form
311,243.20/466,864.80 = 249,035.20/x - Step 3: Cross multiply
311,243.20x = 466,864.80 × 249,035.20 - Step 4: Simplify right side
311,243.20x = 116,265,768,840.96 - Step 5: Solve for x
x = 116,265,768,840.96/311,243.20 - Step 6: Final answer
x = 373,552.80
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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.