Finding the Fourth Proportional to 151,256.08, 208,731.36 and 84,188.08
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Solution
The fourth proportional to 151,256.08, 208,731.36 and 84,188.08 is: 116,178.42
Step by Step Solution
- Step 1: Write the proportion equation
151,256.08 : 208,731.36 = 84,188.08 : x - Step 2: Convert to fraction form
151,256.08/208,731.36 = 84,188.08/x - Step 3: Cross multiply
151,256.08x = 208,731.36 × 84,188.08 - Step 4: Simplify right side
151,256.08x = 17,572,692,434.19 - Step 5: Solve for x
x = 17,572,692,434.19/151,256.08 - Step 6: Final answer
x = 116,178.42
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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.