Finding the Fourth Proportional to 422,756.68, 583,371.84 and 241,443.58
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Solution
The fourth proportional to 422,756.68, 583,371.84 and 241,443.58 is: 333,173.65
Step by Step Solution
- Step 1: Write the proportion equation
422,756.68 : 583,371.84 = 241,443.58 : x - Step 2: Convert to fraction form
422,756.68/583,371.84 = 241,443.58/x - Step 3: Cross multiply
422,756.68x = 583,371.84 × 241,443.58 - Step 4: Simplify right side
422,756.68x = 140,851,385,520.79 - Step 5: Solve for x
x = 140,851,385,520.79/422,756.68 - Step 6: Final answer
x = 333,173.65
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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.