Finding the Fourth Proportional to 413,699.70, 620,108.10 and 235,823.70
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Solution
The fourth proportional to 413,699.70, 620,108.10 and 235,823.70 is: 353,483.91
Step by Step Solution
- Step 1: Write the proportion equation
413,699.70 : 620,108.10 = 235,823.70 : x - Step 2: Convert to fraction form
413,699.70/620,108.10 = 235,823.70/x - Step 3: Cross multiply
413,699.70x = 620,108.10 × 235,823.70 - Step 4: Simplify right side
413,699.70x = 146,236,186,541.97 - Step 5: Solve for x
x = 146,236,186,541.97/413,699.70 - Step 6: Final answer
x = 353,483.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.