Finding the Fourth Proportional to 112,862.61, 169,276.64 and 29,763.09
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Solution
The fourth proportional to 112,862.61, 169,276.64 and 29,763.09 is: 44,640.08
Step by Step Solution
- Step 1: Write the proportion equation
112,862.61 : 169,276.64 = 29,763.09 : x - Step 2: Convert to fraction form
112,862.61/169,276.64 = 29,763.09/x - Step 3: Cross multiply
112,862.61x = 169,276.64 × 29,763.09 - Step 4: Simplify right side
112,862.61x = 5,038,195,722.40 - Step 5: Solve for x
x = 5,038,195,722.40/112,862.61 - Step 6: Final answer
x = 44,640.08
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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.