Finding the Fourth Proportional to 302,242.10, 453,346.74 and 91,863.63
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Solution
The fourth proportional to 302,242.10, 453,346.74 and 91,863.63 is: 137,790.46
Step by Step Solution
- Step 1: Write the proportion equation
302,242.10 : 453,346.74 = 91,863.63 : x - Step 2: Convert to fraction form
302,242.10/453,346.74 = 91,863.63/x - Step 3: Cross multiply
302,242.10x = 453,346.74 × 91,863.63 - Step 4: Simplify right side
302,242.10x = 41,646,077,185.07 - Step 5: Solve for x
x = 41,646,077,185.07/302,242.10 - Step 6: Final answer
x = 137,790.46
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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.