Finding the Fourth Proportional to 331,653.84, 457,681.77 and 180,750.84
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Solution
The fourth proportional to 331,653.84, 457,681.77 and 180,750.84 is: 249,435.87
Step by Step Solution
- Step 1: Write the proportion equation
331,653.84 : 457,681.77 = 180,750.84 : x - Step 2: Convert to fraction form
331,653.84/457,681.77 = 180,750.84/x - Step 3: Cross multiply
331,653.84x = 457,681.77 × 180,750.84 - Step 4: Simplify right side
331,653.84x = 82,726,364,380.19 - Step 5: Solve for x
x = 82,726,364,380.19/331,653.84 - Step 6: Final answer
x = 249,435.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.