Finding the Fourth Proportional to 134,973.20, 202,459.80 and 46,218.80
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Solution
The fourth proportional to 134,973.20, 202,459.80 and 46,218.80 is: 69,328.20
Step by Step Solution
- Step 1: Write the proportion equation
134,973.20 : 202,459.80 = 46,218.80 : x - Step 2: Convert to fraction form
134,973.20/202,459.80 = 46,218.80/x - Step 3: Cross multiply
134,973.20x = 202,459.80 × 46,218.80 - Step 4: Simplify right side
134,973.20x = 9,357,449,004.24 - Step 5: Solve for x
x = 9,357,449,004.24/134,973.20 - Step 6: Final answer
x = 69,328.20
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1.5x scale
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.