Finding the Fourth Proportional to 243,776.41, 365,599.10 and 85,984.09
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Solution
The fourth proportional to 243,776.41, 365,599.10 and 85,984.09 is: 128,953.02
Step by Step Solution
- Step 1: Write the proportion equation
243,776.41 : 365,599.10 = 85,984.09 : x - Step 2: Convert to fraction form
243,776.41/365,599.10 = 85,984.09/x - Step 3: Cross multiply
243,776.41x = 365,599.10 × 85,984.09 - Step 4: Simplify right side
243,776.41x = 31,435,705,488.40 - Step 5: Solve for x
x = 31,435,705,488.40/243,776.41 - Step 6: Final answer
x = 128,953.02
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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.