Finding the Fourth Proportional to 402,998.41, 556,274.36 and 250,126.08
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Solution
The fourth proportional to 402,998.41, 556,274.36 and 250,126.08 is: 345,258.74
Step by Step Solution
- Step 1: Write the proportion equation
402,998.41 : 556,274.36 = 250,126.08 : x - Step 2: Convert to fraction form
402,998.41/556,274.36 = 250,126.08/x - Step 3: Cross multiply
402,998.41x = 556,274.36 × 250,126.08 - Step 4: Simplify right side
402,998.41x = 139,138,725,071.31 - Step 5: Solve for x
x = 139,138,725,071.31/402,998.41 - Step 6: Final answer
x = 345,258.74
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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.