Finding the Fourth Proportional to 219,886.19, 303,443.53 and 119,284.19
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Solution
The fourth proportional to 219,886.19, 303,443.53 and 119,284.19 is: 164,612.50
Step by Step Solution
- Step 1: Write the proportion equation
219,886.19 : 303,443.53 = 119,284.19 : x - Step 2: Convert to fraction form
219,886.19/303,443.53 = 119,284.19/x - Step 3: Cross multiply
219,886.19x = 303,443.53 × 119,284.19 - Step 4: Simplify right side
219,886.19x = 36,196,015,686.79 - Step 5: Solve for x
x = 36,196,015,686.79/219,886.19 - Step 6: Final answer
x = 164,612.50
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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.