Finding the Fourth Proportional to 232,138.09, 348,257.27 and 72,210.99
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Solution
The fourth proportional to 232,138.09, 348,257.27 and 72,210.99 is: 108,332.08
Step by Step Solution
- Step 1: Write the proportion equation
232,138.09 : 348,257.27 = 72,210.99 : x - Step 2: Convert to fraction form
232,138.09/348,257.27 = 72,210.99/x - Step 3: Cross multiply
232,138.09x = 348,257.27 × 72,210.99 - Step 4: Simplify right side
232,138.09x = 25,148,002,241.40 - Step 5: Solve for x
x = 25,148,002,241.40/232,138.09 - Step 6: Final answer
x = 108,332.08
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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.