Finding the Fourth Proportional to 343,988.98, 474,929.61 and 223,473.74
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Solution
The fourth proportional to 343,988.98, 474,929.61 and 223,473.74 is: 308,539.81
Step by Step Solution
- Step 1: Write the proportion equation
343,988.98 : 474,929.61 = 223,473.74 : x - Step 2: Convert to fraction form
343,988.98/474,929.61 = 223,473.74/x - Step 3: Cross multiply
343,988.98x = 474,929.61 × 223,473.74 - Step 4: Simplify right side
343,988.98x = 106,134,296,183.44 - Step 5: Solve for x
x = 106,134,296,183.44/343,988.98 - Step 6: Final answer
x = 308,539.81
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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.