Finding the Fourth Proportional to 279,225.36, 418,699.67 and 99,283.79
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Solution
The fourth proportional to 279,225.36, 418,699.67 and 99,283.79 is: 148,876.49
Step by Step Solution
- Step 1: Write the proportion equation
279,225.36 : 418,699.67 = 99,283.79 : x - Step 2: Convert to fraction form
279,225.36/418,699.67 = 99,283.79/x - Step 3: Cross multiply
279,225.36x = 418,699.67 × 99,283.79 - Step 4: Simplify right side
279,225.36x = 41,570,090,659.68 - Step 5: Solve for x
x = 41,570,090,659.68/279,225.36 - Step 6: Final answer
x = 148,876.49
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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.