Finding the Fourth Proportional to 268,071.08, 369,927.01 and 145,558.67
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Solution
The fourth proportional to 268,071.08, 369,927.01 and 145,558.67 is: 200,864.95
Step by Step Solution
- Step 1: Write the proportion equation
268,071.08 : 369,927.01 = 145,558.67 : x - Step 2: Convert to fraction form
268,071.08/369,927.01 = 145,558.67/x - Step 3: Cross multiply
268,071.08x = 369,927.01 × 145,558.67 - Step 4: Simplify right side
268,071.08x = 53,846,083,572.68 - Step 5: Solve for x
x = 53,846,083,572.68/268,071.08 - Step 6: Final answer
x = 200,864.95
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1.5x scale
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.