Finding the Fourth Proportional to 72,702.08, 109,052.98 and 22,786.02
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Solution
The fourth proportional to 72,702.08, 109,052.98 and 22,786.02 is: 34,178.99
Step by Step Solution
- Step 1: Write the proportion equation
72,702.08 : 109,052.98 = 22,786.02 : x - Step 2: Convert to fraction form
72,702.08/109,052.98 = 22,786.02/x - Step 3: Cross multiply
72,702.08x = 109,052.98 × 22,786.02 - Step 4: Simplify right side
72,702.08x = 2,484,883,383.34 - Step 5: Solve for x
x = 2,484,883,383.34/72,702.08 - Step 6: Final answer
x = 34,178.99
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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.