Finding the Fourth Proportional to 114,429.80, 171,644.70 and 97,149.80
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Solution
The fourth proportional to 114,429.80, 171,644.70 and 97,149.80 is: 145,724.70
Step by Step Solution
- Step 1: Write the proportion equation
114,429.80 : 171,644.70 = 97,149.80 : x - Step 2: Convert to fraction form
114,429.80/171,644.70 = 97,149.80/x - Step 3: Cross multiply
114,429.80x = 171,644.70 × 97,149.80 - Step 4: Simplify right side
114,429.80x = 16,675,248,276.06 - Step 5: Solve for x
x = 16,675,248,276.06/114,429.80 - Step 6: Final answer
x = 145,724.70
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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.