Finding the Fourth Proportional to 305,873.84, 422,010.65 and 176,765.27
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Solution
The fourth proportional to 305,873.84, 422,010.65 and 176,765.27 is: 243,881.02
Step by Step Solution
- Step 1: Write the proportion equation
305,873.84 : 422,010.65 = 176,765.27 : x - Step 2: Convert to fraction form
305,873.84/422,010.65 = 176,765.27/x - Step 3: Cross multiply
305,873.84x = 422,010.65 × 176,765.27 - Step 4: Simplify right side
305,873.84x = 74,596,823,496.25 - Step 5: Solve for x
x = 74,596,823,496.25/305,873.84 - Step 6: Final answer
x = 243,881.02
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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.