Finding the Fourth Proportional to 148,118.13, 204,397.97 and 84,476.43
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Solution
The fourth proportional to 148,118.13, 204,397.97 and 84,476.43 is: 116,574.59
Step by Step Solution
- Step 1: Write the proportion equation
148,118.13 : 204,397.97 = 84,476.43 : x - Step 2: Convert to fraction form
148,118.13/204,397.97 = 84,476.43/x - Step 3: Cross multiply
148,118.13x = 204,397.97 × 84,476.43 - Step 4: Simplify right side
148,118.13x = 17,266,810,382.46 - Step 5: Solve for x
x = 17,266,810,382.46/148,118.13 - Step 6: Final answer
x = 116,574.59
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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.