Finding the Fourth Proportional to 279,176.63, 385,263.74 and 151,854.95
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Solution
The fourth proportional to 279,176.63, 385,263.74 and 151,854.95 is: 209,559.83
Step by Step Solution
- Step 1: Write the proportion equation
279,176.63 : 385,263.74 = 151,854.95 : x - Step 2: Convert to fraction form
279,176.63/385,263.74 = 151,854.95/x - Step 3: Cross multiply
279,176.63x = 385,263.74 × 151,854.95 - Step 4: Simplify right side
279,176.63x = 58,504,207,317.31 - Step 5: Solve for x
x = 58,504,207,317.31/279,176.63 - Step 6: Final answer
x = 209,559.83
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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.