Finding the Fourth Proportional to 279,193.12, 418,750.14 and 89,628.52
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Solution
The fourth proportional to 279,193.12, 418,750.14 and 89,628.52 is: 134,430.09
Step by Step Solution
- Step 1: Write the proportion equation
279,193.12 : 418,750.14 = 89,628.52 : x - Step 2: Convert to fraction form
279,193.12/418,750.14 = 89,628.52/x - Step 3: Cross multiply
279,193.12x = 418,750.14 × 89,628.52 - Step 4: Simplify right side
279,193.12x = 37,531,955,297.99 - Step 5: Solve for x
x = 37,531,955,297.99/279,193.12 - Step 6: Final answer
x = 134,430.09
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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.