Finding the Fourth Proportional to 216,964.58, 325,495.94 and 117,122.63
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Solution
The fourth proportional to 216,964.58, 325,495.94 and 117,122.63 is: 175,710.43
Step by Step Solution
- Step 1: Write the proportion equation
216,964.58 : 325,495.94 = 117,122.63 : x - Step 2: Convert to fraction form
216,964.58/325,495.94 = 117,122.63/x - Step 3: Cross multiply
216,964.58x = 325,495.94 × 117,122.63 - Step 4: Simplify right side
216,964.58x = 38,122,938,334.03 - Step 5: Solve for x
x = 38,122,938,334.03/216,964.58 - Step 6: Final answer
x = 175,710.43
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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.