Finding the Fourth Proportional to 668,272.14, 1,002,407.94 and 194,957.28
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Solution
The fourth proportional to 668,272.14, 1,002,407.94 and 194,957.28 is: 292,435.84
Step by Step Solution
- Step 1: Write the proportion equation
668,272.14 : 1,002,407.94 = 194,957.28 : x - Step 2: Convert to fraction form
668,272.14/1,002,407.94 = 194,957.28/x - Step 3: Cross multiply
668,272.14x = 1,002,407.94 × 194,957.28 - Step 4: Simplify right side
668,272.14x = 195,426,725,432.80 - Step 5: Solve for x
x = 195,426,725,432.80/668,272.14 - Step 6: Final answer
x = 292,435.84
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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.