Finding the Fourth Proportional to 144,708.93, 199,710.63 and 84,285.09
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Solution
The fourth proportional to 144,708.93, 199,710.63 and 84,285.09 is: 116,320.59
Step by Step Solution
- Step 1: Write the proportion equation
144,708.93 : 199,710.63 = 84,285.09 : x - Step 2: Convert to fraction form
144,708.93/199,710.63 = 84,285.09/x - Step 3: Cross multiply
144,708.93x = 199,710.63 × 84,285.09 - Step 4: Simplify right side
144,708.93x = 16,832,628,423.51 - Step 5: Solve for x
x = 16,832,628,423.51/144,708.93 - Step 6: Final answer
x = 116,320.59
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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.