Finding the Fourth Proportional to 998,153.70, 1,497,230.55 and 366,936.90
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Solution
The fourth proportional to 998,153.70, 1,497,230.55 and 366,936.90 is: 550,405.35
Step by Step Solution
- Step 1: Write the proportion equation
998,153.70 : 1,497,230.55 = 366,936.90 : x - Step 2: Convert to fraction form
998,153.70/1,497,230.55 = 366,936.90/x - Step 3: Cross multiply
998,153.70x = 1,497,230.55 × 366,936.90 - Step 4: Simplify right side
998,153.70x = 549,389,136,602.30 - Step 5: Solve for x
x = 549,389,136,602.30/998,153.70 - Step 6: Final answer
x = 550,405.35
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1.5x scale
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.