Finding the Fourth Proportional to 286,612.08, 430,090.92 and 99,754.80
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Solution
The fourth proportional to 286,612.08, 430,090.92 and 99,754.80 is: 149,692.34
Step by Step Solution
- Step 1: Write the proportion equation
286,612.08 : 430,090.92 = 99,754.80 : x - Step 2: Convert to fraction form
286,612.08/430,090.92 = 99,754.80/x - Step 3: Cross multiply
286,612.08x = 430,090.92 × 99,754.80 - Step 4: Simplify right side
286,612.08x = 42,903,633,706.42 - Step 5: Solve for x
x = 42,903,633,706.42/286,612.08 - Step 6: Final answer
x = 149,692.34
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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.