Finding the Fourth Proportional to 219,646.80, 303,117.84 and 124,153.88
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Solution
The fourth proportional to 219,646.80, 303,117.84 and 124,153.88 is: 171,335.33
Step by Step Solution
- Step 1: Write the proportion equation
219,646.80 : 303,117.84 = 124,153.88 : x - Step 2: Convert to fraction form
219,646.80/303,117.84 = 124,153.88/x - Step 3: Cross multiply
219,646.80x = 303,117.84 × 124,153.88 - Step 4: Simplify right side
219,646.80x = 37,633,255,933.22 - Step 5: Solve for x
x = 37,633,255,933.22/219,646.80 - Step 6: Final answer
x = 171,335.33
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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.