Finding the Fourth Proportional to 386,259.84, 579,555.84 and 186,730.26
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Solution
The fourth proportional to 386,259.84, 579,555.84 and 186,730.26 is: 280,175.68
Step by Step Solution
- Step 1: Write the proportion equation
386,259.84 : 579,555.84 = 186,730.26 : x - Step 2: Convert to fraction form
386,259.84/579,555.84 = 186,730.26/x - Step 3: Cross multiply
386,259.84x = 579,555.84 × 186,730.26 - Step 4: Simplify right side
386,259.84x = 108,220,612,687.72 - Step 5: Solve for x
x = 108,220,612,687.72/386,259.84 - Step 6: Final answer
x = 280,175.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.