Finding the Fourth Proportional to 279,073.19, 418,083.02 and 164,880.26
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Solution
The fourth proportional to 279,073.19, 418,083.02 and 164,880.26 is: 247,009.17
Step by Step Solution
- Step 1: Write the proportion equation
279,073.19 : 418,083.02 = 164,880.26 : x - Step 2: Convert to fraction form
279,073.19/418,083.02 = 164,880.26/x - Step 3: Cross multiply
279,073.19x = 418,083.02 × 164,880.26 - Step 4: Simplify right side
279,073.19x = 68,933,637,259.99 - Step 5: Solve for x
x = 68,933,637,259.99/279,073.19 - Step 6: Final answer
x = 247,009.17
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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.