Finding the Fourth Proportional to 145,663.92, 201,002.51 and 107,444.27
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Solution
The fourth proportional to 145,663.92, 201,002.51 and 107,444.27 is: 148,262.99
Step by Step Solution
- Step 1: Write the proportion equation
145,663.92 : 201,002.51 = 107,444.27 : x - Step 2: Convert to fraction form
145,663.92/201,002.51 = 107,444.27/x - Step 3: Cross multiply
145,663.92x = 201,002.51 × 107,444.27 - Step 4: Simplify right side
145,663.92x = 21,596,568,726.23 - Step 5: Solve for x
x = 21,596,568,726.23/145,663.92 - Step 6: Final answer
x = 148,262.99
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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.