Finding the Fourth Proportional to 279,598.08, 419,463.36 and 121,854.72
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Solution
The fourth proportional to 279,598.08, 419,463.36 and 121,854.72 is: 182,810.95
Step by Step Solution
- Step 1: Write the proportion equation
279,598.08 : 419,463.36 = 121,854.72 : x - Step 2: Convert to fraction form
279,598.08/419,463.36 = 121,854.72/x - Step 3: Cross multiply
279,598.08x = 419,463.36 × 121,854.72 - Step 4: Simplify right side
279,598.08x = 51,113,590,283.06 - Step 5: Solve for x
x = 51,113,590,283.06/279,598.08 - Step 6: Final answer
x = 182,810.95
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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.