Finding the Fourth Proportional to 472,223.77, 651,676.86 and 257,375.62
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Solution
The fourth proportional to 472,223.77, 651,676.86 and 257,375.62 is: 355,182.75
Step by Step Solution
- Step 1: Write the proportion equation
472,223.77 : 651,676.86 = 257,375.62 : x - Step 2: Convert to fraction form
472,223.77/651,676.86 = 257,375.62/x - Step 3: Cross multiply
472,223.77x = 651,676.86 × 257,375.62 - Step 4: Simplify right side
472,223.77x = 167,725,735,882.15 - Step 5: Solve for x
x = 167,725,735,882.15/472,223.77 - Step 6: Final answer
x = 355,182.75
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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.