Finding the Fourth Proportional to 304,128.96, 420,167.52 and 232,797.12
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Solution
The fourth proportional to 304,128.96, 420,167.52 and 232,797.12 is: 321,619.45
Step by Step Solution
- Step 1: Write the proportion equation
304,128.96 : 420,167.52 = 232,797.12 : x - Step 2: Convert to fraction form
304,128.96/420,167.52 = 232,797.12/x - Step 3: Cross multiply
304,128.96x = 420,167.52 × 232,797.12 - Step 4: Simplify right side
304,128.96x = 97,813,788,573.54 - Step 5: Solve for x
x = 97,813,788,573.54/304,128.96 - Step 6: Final answer
x = 321,619.45
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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.