Finding the Fourth Proportional to 190,797.18, 286,244.10 and 134,746.80
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Solution
The fourth proportional to 190,797.18, 286,244.10 and 134,746.80 is: 202,154.33
Step by Step Solution
- Step 1: Write the proportion equation
190,797.18 : 286,244.10 = 134,746.80 : x - Step 2: Convert to fraction form
190,797.18/286,244.10 = 134,746.80/x - Step 3: Cross multiply
190,797.18x = 286,244.10 × 134,746.80 - Step 4: Simplify right side
190,797.18x = 38,570,476,493.88 - Step 5: Solve for x
x = 38,570,476,493.88/190,797.18 - Step 6: Final answer
x = 202,154.33
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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.