Finding the Fourth Proportional to 230,627.04, 318,101.76 and 149,905.68
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Solution
The fourth proportional to 230,627.04, 318,101.76 and 149,905.68 is: 206,763.53
Step by Step Solution
- Step 1: Write the proportion equation
230,627.04 : 318,101.76 = 149,905.68 : x - Step 2: Convert to fraction form
230,627.04/318,101.76 = 149,905.68/x - Step 3: Cross multiply
230,627.04x = 318,101.76 × 149,905.68 - Step 4: Simplify right side
230,627.04x = 47,685,260,642.00 - Step 5: Solve for x
x = 47,685,260,642.00/230,627.04 - Step 6: Final answer
x = 206,763.53
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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.