Finding the Fourth Proportional to 270,366.05, 373,133.18 and 155,648.79
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Solution
The fourth proportional to 270,366.05, 373,133.18 and 155,648.79 is: 214,811.47
Step by Step Solution
- Step 1: Write the proportion equation
270,366.05 : 373,133.18 = 155,648.79 : x - Step 2: Convert to fraction form
270,366.05/373,133.18 = 155,648.79/x - Step 3: Cross multiply
270,366.05x = 373,133.18 × 155,648.79 - Step 4: Simplify right side
270,366.05x = 58,077,728,364.97 - Step 5: Solve for x
x = 58,077,728,364.97/270,366.05 - Step 6: Final answer
x = 214,811.47
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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.