Finding the Fourth Proportional to 343,648.06, 474,211.53 and 190,676.55
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Solution
The fourth proportional to 343,648.06, 474,211.53 and 190,676.55 is: 263,120.99
Step by Step Solution
- Step 1: Write the proportion equation
343,648.06 : 474,211.53 = 190,676.55 : x - Step 2: Convert to fraction form
343,648.06/474,211.53 = 190,676.55/x - Step 3: Cross multiply
343,648.06x = 474,211.53 × 190,676.55 - Step 4: Simplify right side
343,648.06x = 90,421,018,510.62 - Step 5: Solve for x
x = 90,421,018,510.62/343,648.06 - Step 6: Final answer
x = 263,120.99
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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.