Finding the Fourth Proportional to 455,418.70, 683,364.47 and 185,744.68
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Solution
The fourth proportional to 455,418.70, 683,364.47 and 185,744.68 is: 278,713.45
Step by Step Solution
- Step 1: Write the proportion equation
455,418.70 : 683,364.47 = 185,744.68 : x - Step 2: Convert to fraction form
455,418.70/683,364.47 = 185,744.68/x - Step 3: Cross multiply
455,418.70x = 683,364.47 × 185,744.68 - Step 4: Simplify right side
455,418.70x = 126,931,314,803.52 - Step 5: Solve for x
x = 126,931,314,803.52/455,418.70 - Step 6: Final answer
x = 278,713.45
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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.