Finding the Fourth Proportional to 207,283.76, 310,935.36 and 67,053.32
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Solution
The fourth proportional to 207,283.76, 310,935.36 and 67,053.32 is: 100,583.12
Step by Step Solution
- Step 1: Write the proportion equation
207,283.76 : 310,935.36 = 67,053.32 : x - Step 2: Convert to fraction form
207,283.76/310,935.36 = 67,053.32/x - Step 3: Cross multiply
207,283.76x = 310,935.36 × 67,053.32 - Step 4: Simplify right side
207,283.76x = 20,849,248,193.40 - Step 5: Solve for x
x = 20,849,248,193.40/207,283.76 - Step 6: Final answer
x = 100,583.12
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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.