Finding the Fourth Proportional to 364,391.79, 502,859.36 and 203,246.71
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Solution
The fourth proportional to 364,391.79, 502,859.36 and 203,246.71 is: 280,479.73
Step by Step Solution
- Step 1: Write the proportion equation
364,391.79 : 502,859.36 = 203,246.71 : x - Step 2: Convert to fraction form
364,391.79/502,859.36 = 203,246.71/x - Step 3: Cross multiply
364,391.79x = 502,859.36 × 203,246.71 - Step 4: Simplify right side
364,391.79x = 102,204,510,004.59 - Step 5: Solve for x
x = 102,204,510,004.59/364,391.79 - Step 6: Final answer
x = 280,479.73
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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.