Finding the Fourth Proportional to 472,194.63, 651,609.52 and 257,330.09
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Solution
The fourth proportional to 472,194.63, 651,609.52 and 257,330.09 is: 355,105.13
Step by Step Solution
- Step 1: Write the proportion equation
472,194.63 : 651,609.52 = 257,330.09 : x - Step 2: Convert to fraction form
472,194.63/651,609.52 = 257,330.09/x - Step 3: Cross multiply
472,194.63x = 651,609.52 × 257,330.09 - Step 4: Simplify right side
472,194.63x = 167,678,736,426.46 - Step 5: Solve for x
x = 167,678,736,426.46/472,194.63 - Step 6: Final answer
x = 355,105.13
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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.