Finding the Fourth Proportional to 671,261.28, 1,006,738.12 and 191,479.99
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Solution
The fourth proportional to 671,261.28, 1,006,738.12 and 191,479.99 is: 287,176.10
Step by Step Solution
- Step 1: Write the proportion equation
671,261.28 : 1,006,738.12 = 191,479.99 : x - Step 2: Convert to fraction form
671,261.28/1,006,738.12 = 191,479.99/x - Step 3: Cross multiply
671,261.28x = 1,006,738.12 × 191,479.99 - Step 4: Simplify right side
671,261.28x = 192,770,199,159.13 - Step 5: Solve for x
x = 192,770,199,159.13/671,261.28 - Step 6: Final answer
x = 287,176.10
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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.