Finding the Fourth Proportional to 280,673.99, 387,330.25 and 151,612.46
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Solution
The fourth proportional to 280,673.99, 387,330.25 and 151,612.46 is: 209,225.27
Step by Step Solution
- Step 1: Write the proportion equation
280,673.99 : 387,330.25 = 151,612.46 : x - Step 2: Convert to fraction form
280,673.99/387,330.25 = 151,612.46/x - Step 3: Cross multiply
280,673.99x = 387,330.25 × 151,612.46 - Step 4: Simplify right side
280,673.99x = 58,724,092,806.03 - Step 5: Solve for x
x = 58,724,092,806.03/280,673.99 - Step 6: Final answer
x = 209,225.27
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1.5x scale
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.