Finding the Fourth Proportional to 462,985.80, 694,528.50 and 147,368.88
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Solution
The fourth proportional to 462,985.80, 694,528.50 and 147,368.88 is: 221,069.17
Step by Step Solution
- Step 1: Write the proportion equation
462,985.80 : 694,528.50 = 147,368.88 : x - Step 2: Convert to fraction form
462,985.80/694,528.50 = 147,368.88/x - Step 3: Cross multiply
462,985.80x = 694,528.50 × 147,368.88 - Step 4: Simplify right side
462,985.80x = 102,351,887,173.08 - Step 5: Solve for x
x = 102,351,887,173.08/462,985.80 - Step 6: Final answer
x = 221,069.17
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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.