Finding the Fourth Proportional to 186,078.40, 279,117.60 and 97,359.10
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Solution
The fourth proportional to 186,078.40, 279,117.60 and 97,359.10 is: 146,038.65
Step by Step Solution
- Step 1: Write the proportion equation
186,078.40 : 279,117.60 = 97,359.10 : x - Step 2: Convert to fraction form
186,078.40/279,117.60 = 97,359.10/x - Step 3: Cross multiply
186,078.40x = 279,117.60 × 97,359.10 - Step 4: Simplify right side
186,078.40x = 27,174,638,330.16 - Step 5: Solve for x
x = 27,174,638,330.16/186,078.40 - Step 6: Final answer
x = 146,038.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.