Finding the Fourth Proportional to 195,742.16, 293,403.34 and 128,248.70
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Solution
The fourth proportional to 195,742.16, 293,403.34 and 128,248.70 is: 192,235.53
Step by Step Solution
- Step 1: Write the proportion equation
195,742.16 : 293,403.34 = 128,248.70 : x - Step 2: Convert to fraction form
195,742.16/293,403.34 = 128,248.70/x - Step 3: Cross multiply
195,742.16x = 293,403.34 × 128,248.70 - Step 4: Simplify right side
195,742.16x = 37,628,596,930.66 - Step 5: Solve for x
x = 37,628,596,930.66/195,742.16 - Step 6: Final answer
x = 192,235.53
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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.