Finding the Fourth Proportional to 318,923.98, 478,145.44 and 192,534.19
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Solution
The fourth proportional to 318,923.98, 478,145.44 and 192,534.19 is: 288,656.07
Step by Step Solution
- Step 1: Write the proportion equation
318,923.98 : 478,145.44 = 192,534.19 : x - Step 2: Convert to fraction form
318,923.98/478,145.44 = 192,534.19/x - Step 3: Cross multiply
318,923.98x = 478,145.44 × 192,534.19 - Step 4: Simplify right side
318,923.98x = 92,059,341,639.20 - Step 5: Solve for x
x = 92,059,341,639.20/318,923.98 - Step 6: Final answer
x = 288,656.07
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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.