Finding the Fourth Proportional to 148,734.67, 205,252.68 and 80,750.28
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Solution
The fourth proportional to 148,734.67, 205,252.68 and 80,750.28 is: 111,434.75
Step by Step Solution
- Step 1: Write the proportion equation
148,734.67 : 205,252.68 = 80,750.28 : x - Step 2: Convert to fraction form
148,734.67/205,252.68 = 80,750.28/x - Step 3: Cross multiply
148,734.67x = 205,252.68 × 80,750.28 - Step 4: Simplify right side
148,734.67x = 16,574,210,937.92 - Step 5: Solve for x
x = 16,574,210,937.92/148,734.67 - Step 6: Final answer
x = 111,434.75
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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.