Finding the Fourth Proportional to 356,352.84, 534,524.76 and 86,483.19
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Solution
The fourth proportional to 356,352.84, 534,524.76 and 86,483.19 is: 129,723.69
Step by Step Solution
- Step 1: Write the proportion equation
356,352.84 : 534,524.76 = 86,483.19 : x - Step 2: Convert to fraction form
356,352.84/534,524.76 = 86,483.19/x - Step 3: Cross multiply
356,352.84x = 534,524.76 × 86,483.19 - Step 4: Simplify right side
356,352.84x = 46,227,406,378.78 - Step 5: Solve for x
x = 46,227,406,378.78/356,352.84 - Step 6: Final answer
x = 129,723.69
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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.