Finding the Fourth Proportional to 157,664.70, 236,497.05 and 98,567.10
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Solution
The fourth proportional to 157,664.70, 236,497.05 and 98,567.10 is: 147,850.65
Step by Step Solution
- Step 1: Write the proportion equation
157,664.70 : 236,497.05 = 98,567.10 : x - Step 2: Convert to fraction form
157,664.70/236,497.05 = 98,567.10/x - Step 3: Cross multiply
157,664.70x = 236,497.05 × 98,567.10 - Step 4: Simplify right side
157,664.70x = 23,310,828,377.06 - Step 5: Solve for x
x = 23,310,828,377.06/157,664.70 - Step 6: Final answer
x = 147,850.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.