Finding the Fourth Proportional to 127,306.74, 190,957.95 and 43,048.92
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Solution
The fourth proportional to 127,306.74, 190,957.95 and 43,048.92 is: 64,572.65
Step by Step Solution
- Step 1: Write the proportion equation
127,306.74 : 190,957.95 = 43,048.92 : x - Step 2: Convert to fraction form
127,306.74/190,957.95 = 43,048.92/x - Step 3: Cross multiply
127,306.74x = 190,957.95 × 43,048.92 - Step 4: Simplify right side
127,306.74x = 8,220,533,512.91 - Step 5: Solve for x
x = 8,220,533,512.91/127,306.74 - Step 6: Final answer
x = 64,572.65
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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.