Finding the Fourth Proportional to 305,970.04, 422,237.29 and 170,026.12
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Solution
The fourth proportional to 305,970.04, 422,237.29 and 170,026.12 is: 234,635.28
Step by Step Solution
- Step 1: Write the proportion equation
305,970.04 : 422,237.29 = 170,026.12 : x - Step 2: Convert to fraction form
305,970.04/422,237.29 = 170,026.12/x - Step 3: Cross multiply
305,970.04x = 422,237.29 × 170,026.12 - Step 4: Simplify right side
305,970.04x = 71,791,365,176.70 - Step 5: Solve for x
x = 71,791,365,176.70/305,970.04 - Step 6: Final answer
x = 234,635.28
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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.