Finding the Fourth Proportional to 112,447.79, 168,671.61 and 29,341.79
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Solution
The fourth proportional to 112,447.79, 168,671.61 and 29,341.79 is: 44,012.66
Step by Step Solution
- Step 1: Write the proportion equation
112,447.79 : 168,671.61 = 29,341.79 : x - Step 2: Convert to fraction form
112,447.79/168,671.61 = 29,341.79/x - Step 3: Cross multiply
112,447.79x = 168,671.61 × 29,341.79 - Step 4: Simplify right side
112,447.79x = 4,949,126,116.22 - Step 5: Solve for x
x = 4,949,126,116.22/112,447.79 - Step 6: Final answer
x = 44,012.66
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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.