Finding the Fourth Proportional to 395,596.99, 591,223.64 and 289,204.93
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Solution
The fourth proportional to 395,596.99, 591,223.64 and 289,204.93 is: 432,219.65
Step by Step Solution
- Step 1: Write the proportion equation
395,596.99 : 591,223.64 = 289,204.93 : x - Step 2: Convert to fraction form
395,596.99/591,223.64 = 289,204.93/x - Step 3: Cross multiply
395,596.99x = 591,223.64 × 289,204.93 - Step 4: Simplify right side
395,596.99x = 170,984,791,420.55 - Step 5: Solve for x
x = 170,984,791,420.55/395,596.99 - Step 6: Final answer
x = 432,219.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.