Finding the Fourth Proportional to 518,497.09, 777,746.10 and 144,520.09
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Solution
The fourth proportional to 518,497.09, 777,746.10 and 144,520.09 is: 216,780.26
Step by Step Solution
- Step 1: Write the proportion equation
518,497.09 : 777,746.10 = 144,520.09 : x - Step 2: Convert to fraction form
518,497.09/777,746.10 = 144,520.09/x - Step 3: Cross multiply
518,497.09x = 777,746.10 × 144,520.09 - Step 4: Simplify right side
518,497.09x = 112,399,932,480.42 - Step 5: Solve for x
x = 112,399,932,480.42/518,497.09 - Step 6: Final answer
x = 216,780.26
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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.