Finding the Fourth Proportional to 355,671.36, 490,808.28 and 194,495.08
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Solution
The fourth proportional to 355,671.36, 490,808.28 and 194,495.08 is: 268,393.26
Step by Step Solution
- Step 1: Write the proportion equation
355,671.36 : 490,808.28 = 194,495.08 : x - Step 2: Convert to fraction form
355,671.36/490,808.28 = 194,495.08/x - Step 3: Cross multiply
355,671.36x = 490,808.28 × 194,495.08 - Step 4: Simplify right side
355,671.36x = 95,459,795,683.26 - Step 5: Solve for x
x = 95,459,795,683.26/355,671.36 - Step 6: Final answer
x = 268,393.26
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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.