Finding the Fourth Proportional to 330,684.08, 455,534.16 and 239,772.92
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Solution
The fourth proportional to 330,684.08, 455,534.16 and 239,772.92 is: 330,299.41
Step by Step Solution
- Step 1: Write the proportion equation
330,684.08 : 455,534.16 = 239,772.92 : x - Step 2: Convert to fraction form
330,684.08/455,534.16 = 239,772.92/x - Step 3: Cross multiply
330,684.08x = 455,534.16 × 239,772.92 - Step 4: Simplify right side
330,684.08x = 109,224,755,702.95 - Step 5: Solve for x
x = 109,224,755,702.95/330,684.08 - Step 6: Final answer
x = 330,299.41
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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.