Finding the Fourth Proportional to 328,634.08, 453,519.44 and 185,393.68
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Solution
The fourth proportional to 328,634.08, 453,519.44 and 185,393.68 is: 255,845.77
Step by Step Solution
- Step 1: Write the proportion equation
328,634.08 : 453,519.44 = 185,393.68 : x - Step 2: Convert to fraction form
328,634.08/453,519.44 = 185,393.68/x - Step 3: Cross multiply
328,634.08x = 453,519.44 × 185,393.68 - Step 4: Simplify right side
328,634.08x = 84,079,637,933.14 - Step 5: Solve for x
x = 84,079,637,933.14/328,634.08 - Step 6: Final answer
x = 255,845.77
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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.