Finding the Fourth Proportional to 472,402.26, 651,917.16 and 302,734.80
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Solution
The fourth proportional to 472,402.26, 651,917.16 and 302,734.80 is: 417,775.33
Step by Step Solution
- Step 1: Write the proportion equation
472,402.26 : 651,917.16 = 302,734.80 : x - Step 2: Convert to fraction form
472,402.26/651,917.16 = 302,734.80/x - Step 3: Cross multiply
472,402.26x = 651,917.16 × 302,734.80 - Step 4: Simplify right side
472,402.26x = 197,358,011,049.17 - Step 5: Solve for x
x = 197,358,011,049.17/472,402.26 - Step 6: Final answer
x = 417,775.33
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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.