Finding the Fourth Proportional to 345,274.25, 476,349.46 and 344,742.08
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Solution
The fourth proportional to 345,274.25, 476,349.46 and 344,742.08 is: 475,615.26
Step by Step Solution
- Step 1: Write the proportion equation
345,274.25 : 476,349.46 = 344,742.08 : x - Step 2: Convert to fraction form
345,274.25/476,349.46 = 344,742.08/x - Step 3: Cross multiply
345,274.25x = 476,349.46 × 344,742.08 - Step 4: Simplify right side
345,274.25x = 164,217,700,403.67 - Step 5: Solve for x
x = 164,217,700,403.67/345,274.25 - Step 6: Final answer
x = 475,615.26
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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.