Finding the Fourth Proportional to 498,709.18, 749,170.97 and 309,309.53
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Solution
The fourth proportional to 498,709.18, 749,170.97 and 309,309.53 is: 464,651.00
Step by Step Solution
- Step 1: Write the proportion equation
498,709.18 : 749,170.97 = 309,309.53 : x - Step 2: Convert to fraction form
498,709.18/749,170.97 = 309,309.53/x - Step 3: Cross multiply
498,709.18x = 749,170.97 × 309,309.53 - Step 4: Simplify right side
498,709.18x = 231,725,719,073.80 - Step 5: Solve for x
x = 231,725,719,073.80/498,709.18 - Step 6: Final answer
x = 464,651.00
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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.