Finding the Fourth Proportional to 472,174.14, 651,581.34 and 257,309.62
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Solution
The fourth proportional to 472,174.14, 651,581.34 and 257,309.62 is: 355,076.94
Step by Step Solution
- Step 1: Write the proportion equation
472,174.14 : 651,581.34 = 257,309.62 : x - Step 2: Convert to fraction form
472,174.14/651,581.34 = 257,309.62/x - Step 3: Cross multiply
472,174.14x = 651,581.34 × 257,309.62 - Step 4: Simplify right side
472,174.14x = 167,658,146,994.49 - Step 5: Solve for x
x = 167,658,146,994.49/472,174.14 - Step 6: Final answer
x = 355,076.94
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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.