Finding the Fourth Proportional to 219,980.74, 303,573.43 and 119,378.74
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Solution
The fourth proportional to 219,980.74, 303,573.43 and 119,378.74 is: 164,742.66
Step by Step Solution
- Step 1: Write the proportion equation
219,980.74 : 303,573.43 = 119,378.74 : x - Step 2: Convert to fraction form
219,980.74/303,573.43 = 119,378.74/x - Step 3: Cross multiply
219,980.74x = 303,573.43 × 119,378.74 - Step 4: Simplify right side
219,980.74x = 36,240,213,712.66 - Step 5: Solve for x
x = 36,240,213,712.66/219,980.74 - Step 6: Final answer
x = 164,742.66
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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.