Finding the Fourth Proportional to 134,713.58, 202,011.75 and 38,629.62
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Solution
The fourth proportional to 134,713.58, 202,011.75 and 38,629.62 is: 57,927.62
Step by Step Solution
- Step 1: Write the proportion equation
134,713.58 : 202,011.75 = 38,629.62 : x - Step 2: Convert to fraction form
134,713.58/202,011.75 = 38,629.62/x - Step 3: Cross multiply
134,713.58x = 202,011.75 × 38,629.62 - Step 4: Simplify right side
134,713.58x = 7,803,637,138.04 - Step 5: Solve for x
x = 7,803,637,138.04/134,713.58 - Step 6: Final answer
x = 57,927.62
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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.