Finding the Fourth Proportional to 372,277.76, 513,742.92 and 202,511.48
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Solution
The fourth proportional to 372,277.76, 513,742.92 and 202,511.48 is: 279,465.63
Step by Step Solution
- Step 1: Write the proportion equation
372,277.76 : 513,742.92 = 202,511.48 : x - Step 2: Convert to fraction form
372,277.76/513,742.92 = 202,511.48/x - Step 3: Cross multiply
372,277.76x = 513,742.92 × 202,511.48 - Step 4: Simplify right side
372,277.76x = 104,038,839,068.72 - Step 5: Solve for x
x = 104,038,839,068.72/372,277.76 - Step 6: Final answer
x = 279,465.63
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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.