Finding the Fourth Proportional to 210,954.23, 291,117.60 and 114,158.08
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Solution
The fourth proportional to 210,954.23, 291,117.60 and 114,158.08 is: 157,538.56
Step by Step Solution
- Step 1: Write the proportion equation
210,954.23 : 291,117.60 = 114,158.08 : x - Step 2: Convert to fraction form
210,954.23/291,117.60 = 114,158.08/x - Step 3: Cross multiply
210,954.23x = 291,117.60 × 114,158.08 - Step 4: Simplify right side
210,954.23x = 33,233,426,270.21 - Step 5: Solve for x
x = 33,233,426,270.21/210,954.23 - Step 6: Final answer
x = 157,538.56
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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.