Finding the Fourth Proportional to 192,903.06, 266,298.48 and 128,479.44
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Solution
The fourth proportional to 192,903.06, 266,298.48 and 128,479.44 is: 177,363.07
Step by Step Solution
- Step 1: Write the proportion equation
192,903.06 : 266,298.48 = 128,479.44 : x - Step 2: Convert to fraction form
192,903.06/266,298.48 = 128,479.44/x - Step 3: Cross multiply
192,903.06x = 266,298.48 × 128,479.44 - Step 4: Simplify right side
192,903.06x = 34,213,879,583.25 - Step 5: Solve for x
x = 34,213,879,583.25/192,903.06 - Step 6: Final answer
x = 177,363.07
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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.