Finding the Fourth Proportional to 358,228.48, 494,355.34 and 197,080.08
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Solution
The fourth proportional to 358,228.48, 494,355.34 and 197,080.08 is: 271,970.53
Step by Step Solution
- Step 1: Write the proportion equation
358,228.48 : 494,355.34 = 197,080.08 : x - Step 2: Convert to fraction form
358,228.48/494,355.34 = 197,080.08/x - Step 3: Cross multiply
358,228.48x = 494,355.34 × 197,080.08 - Step 4: Simplify right side
358,228.48x = 97,427,589,955.63 - Step 5: Solve for x
x = 97,427,589,955.63/358,228.48 - Step 6: Final answer
x = 271,970.53
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1.5x scale
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.