Finding the Fourth Proportional to 452,492.19, 624,422.12 and 251,301.15
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Solution
The fourth proportional to 452,492.19, 624,422.12 and 251,301.15 is: 346,786.09
Step by Step Solution
- Step 1: Write the proportion equation
452,492.19 : 624,422.12 = 251,301.15 : x - Step 2: Convert to fraction form
452,492.19/624,422.12 = 251,301.15/x - Step 3: Cross multiply
452,492.19x = 624,422.12 × 251,301.15 - Step 4: Simplify right side
452,492.19x = 156,917,995,584.93 - Step 5: Solve for x
x = 156,917,995,584.93/452,492.19 - Step 6: Final answer
x = 346,786.09
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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.