Finding the Fourth Proportional to 343,126.56, 514,883.16 and 268,036.05
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Solution
The fourth proportional to 343,126.56, 514,883.16 and 268,036.05 is: 402,205.09
Step by Step Solution
- Step 1: Write the proportion equation
343,126.56 : 514,883.16 = 268,036.05 : x - Step 2: Convert to fraction form
343,126.56/514,883.16 = 268,036.05/x - Step 3: Cross multiply
343,126.56x = 514,883.16 × 268,036.05 - Step 4: Simplify right side
343,126.56x = 138,007,248,417.92 - Step 5: Solve for x
x = 138,007,248,417.92/343,126.56 - Step 6: Final answer
x = 402,205.09
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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.