Finding the Fourth Proportional to 188,690.32, 283,038.36 and 48,445.84
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Solution
The fourth proportional to 188,690.32, 283,038.36 and 48,445.84 is: 72,669.50
Step by Step Solution
- Step 1: Write the proportion equation
188,690.32 : 283,038.36 = 48,445.84 : x - Step 2: Convert to fraction form
188,690.32/283,038.36 = 48,445.84/x - Step 3: Cross multiply
188,690.32x = 283,038.36 × 48,445.84 - Step 4: Simplify right side
188,690.32x = 13,712,031,102.42 - Step 5: Solve for x
x = 13,712,031,102.42/188,690.32 - Step 6: Final answer
x = 72,669.50
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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.