Finding the Fourth Proportional to 328,547.36, 453,394.74 and 185,306.96
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Solution
The fourth proportional to 328,547.36, 453,394.74 and 185,306.96 is: 255,723.26
Step by Step Solution
- Step 1: Write the proportion equation
328,547.36 : 453,394.74 = 185,306.96 : x - Step 2: Convert to fraction form
328,547.36/453,394.74 = 185,306.96/x - Step 3: Cross multiply
328,547.36x = 453,394.74 × 185,306.96 - Step 4: Simplify right side
328,547.36x = 84,017,200,949.39 - Step 5: Solve for x
x = 84,017,200,949.39/328,547.36 - Step 6: Final answer
x = 255,723.26
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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.