Finding the Fourth Proportional to 422,984.49, 583,756.02 and 232,035.09
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Solution
The fourth proportional to 422,984.49, 583,756.02 and 232,035.09 is: 320,228.95
Step by Step Solution
- Step 1: Write the proportion equation
422,984.49 : 583,756.02 = 232,035.09 : x - Step 2: Convert to fraction form
422,984.49/583,756.02 = 232,035.09/x - Step 3: Cross multiply
422,984.49x = 583,756.02 × 232,035.09 - Step 4: Simplify right side
422,984.49x = 135,451,880,638.74 - Step 5: Solve for x
x = 135,451,880,638.74/422,984.49 - Step 6: Final answer
x = 320,228.95
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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.