Finding the Fourth Proportional to 472,194.26, 651,609.05 and 257,329.71
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Solution
The fourth proportional to 472,194.26, 651,609.05 and 257,329.71 is: 355,104.63
Step by Step Solution
- Step 1: Write the proportion equation
472,194.26 : 651,609.05 = 257,329.71 : x - Step 2: Convert to fraction form
472,194.26/651,609.05 = 257,329.71/x - Step 3: Cross multiply
472,194.26x = 651,609.05 × 257,329.71 - Step 4: Simplify right side
472,194.26x = 167,678,368,513.20 - Step 5: Solve for x
x = 167,678,368,513.20/472,194.26 - Step 6: Final answer
x = 355,104.63
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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.