Finding the Fourth Proportional to 356,878.80, 535,317.84 and 107,560.80
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Solution
The fourth proportional to 356,878.80, 535,317.84 and 107,560.80 is: 161,341.09
Step by Step Solution
- Step 1: Write the proportion equation
356,878.80 : 535,317.84 = 107,560.80 : x - Step 2: Convert to fraction form
356,878.80/535,317.84 = 107,560.80/x - Step 3: Cross multiply
356,878.80x = 535,317.84 × 107,560.80 - Step 4: Simplify right side
356,878.80x = 57,579,215,124.67 - Step 5: Solve for x
x = 57,579,215,124.67/356,878.80 - Step 6: Final answer
x = 161,341.09
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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.