Finding the Fourth Proportional to 279,392.68, 385,570.12 and 197,866.79
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Solution
The fourth proportional to 279,392.68, 385,570.12 and 197,866.79 is: 273,061.99
Step by Step Solution
- Step 1: Write the proportion equation
279,392.68 : 385,570.12 = 197,866.79 : x - Step 2: Convert to fraction form
279,392.68/385,570.12 = 197,866.79/x - Step 3: Cross multiply
279,392.68x = 385,570.12 × 197,866.79 - Step 4: Simplify right side
279,392.68x = 76,291,520,036.46 - Step 5: Solve for x
x = 76,291,520,036.46/279,392.68 - Step 6: Final answer
x = 273,061.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.