Finding the Fourth Proportional to 157,495.14, 236,256.08 and 57,631.28
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Solution
The fourth proportional to 157,495.14, 236,256.08 and 57,631.28 is: 86,451.80
Step by Step Solution
- Step 1: Write the proportion equation
157,495.14 : 236,256.08 = 57,631.28 : x - Step 2: Convert to fraction form
157,495.14/236,256.08 = 57,631.28/x - Step 3: Cross multiply
157,495.14x = 236,256.08 × 57,631.28 - Step 4: Simplify right side
157,495.14x = 13,615,738,828.75 - Step 5: Solve for x
x = 13,615,738,828.75/157,495.14 - Step 6: Final answer
x = 86,451.80
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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.