Finding the Fourth Proportional to 143,266.79, 197,654.49 and 88,794.08
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Solution
The fourth proportional to 143,266.79, 197,654.49 and 88,794.08 is: 122,502.56
Step by Step Solution
- Step 1: Write the proportion equation
143,266.79 : 197,654.49 = 88,794.08 : x - Step 2: Convert to fraction form
143,266.79/197,654.49 = 88,794.08/x - Step 3: Cross multiply
143,266.79x = 197,654.49 × 88,794.08 - Step 4: Simplify right side
143,266.79x = 17,550,547,609.15 - Step 5: Solve for x
x = 17,550,547,609.15/143,266.79 - Step 6: Final answer
x = 122,502.56
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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.