Finding the Fourth Proportional to 167,509.14, 231,182.28 and 99,526.68
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Solution
The fourth proportional to 167,509.14, 231,182.28 and 99,526.68 is: 137,358.50
Step by Step Solution
- Step 1: Write the proportion equation
167,509.14 : 231,182.28 = 99,526.68 : x - Step 2: Convert to fraction form
167,509.14/231,182.28 = 99,526.68/x - Step 3: Cross multiply
167,509.14x = 231,182.28 × 99,526.68 - Step 4: Simplify right side
167,509.14x = 23,008,804,803.23 - Step 5: Solve for x
x = 23,008,804,803.23/167,509.14 - Step 6: Final answer
x = 137,358.50
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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.