Finding the Fourth Proportional to 189,726.08, 261,822.08 and 104,843.14
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Solution
The fourth proportional to 189,726.08, 261,822.08 and 104,843.14 is: 144,683.58
Step by Step Solution
- Step 1: Write the proportion equation
189,726.08 : 261,822.08 = 104,843.14 : x - Step 2: Convert to fraction form
189,726.08/261,822.08 = 104,843.14/x - Step 3: Cross multiply
189,726.08x = 261,822.08 × 104,843.14 - Step 4: Simplify right side
189,726.08x = 27,450,248,988.53 - Step 5: Solve for x
x = 27,450,248,988.53/189,726.08 - Step 6: Final answer
x = 144,683.58
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1.5x scale
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.