Finding the Fourth Proportional to 155,152.13, 214,119.05 and 116,844.05
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Solution
The fourth proportional to 155,152.13, 214,119.05 and 116,844.05 is: 161,251.66
Step by Step Solution
- Step 1: Write the proportion equation
155,152.13 : 214,119.05 = 116,844.05 : x - Step 2: Convert to fraction form
155,152.13/214,119.05 = 116,844.05/x - Step 3: Cross multiply
155,152.13x = 214,119.05 × 116,844.05 - Step 4: Simplify right side
155,152.13x = 25,018,536,935.23 - Step 5: Solve for x
x = 25,018,536,935.23/155,152.13 - Step 6: Final answer
x = 161,251.66
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1.5x scale
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.