Finding the Fourth Proportional to 472,389.10, 651,883.96 and 257,529.11
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Solution
The fourth proportional to 472,389.10, 651,883.96 and 257,529.11 is: 355,383.09
Step by Step Solution
- Step 1: Write the proportion equation
472,389.10 : 651,883.96 = 257,529.11 : x - Step 2: Convert to fraction form
472,389.10/651,883.96 = 257,529.11/x - Step 3: Cross multiply
472,389.10x = 651,883.96 × 257,529.11 - Step 4: Simplify right side
472,389.10x = 167,879,096,042.08 - Step 5: Solve for x
x = 167,879,096,042.08/472,389.10 - Step 6: Final answer
x = 355,383.09
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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.