Finding the Fourth Proportional to 152,260.57, 210,112.97 and 84,273.49
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Solution
The fourth proportional to 152,260.57, 210,112.97 and 84,273.49 is: 116,293.75
Step by Step Solution
- Step 1: Write the proportion equation
152,260.57 : 210,112.97 = 84,273.49 : x - Step 2: Convert to fraction form
152,260.57/210,112.97 = 84,273.49/x - Step 3: Cross multiply
152,260.57x = 210,112.97 × 84,273.49 - Step 4: Simplify right side
152,260.57x = 17,706,952,854.80 - Step 5: Solve for x
x = 17,706,952,854.80/152,260.57 - Step 6: Final answer
x = 116,293.75
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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.