Finding the Fourth Proportional to 146,520.84, 219,633.12 and 57,739.80
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Solution
The fourth proportional to 146,520.84, 219,633.12 and 57,739.80 is: 86,551.32
Step by Step Solution
- Step 1: Write the proportion equation
146,520.84 : 219,633.12 = 57,739.80 : x - Step 2: Convert to fraction form
146,520.84/219,633.12 = 57,739.80/x - Step 3: Cross multiply
146,520.84x = 219,633.12 × 57,739.80 - Step 4: Simplify right side
146,520.84x = 12,681,572,422.18 - Step 5: Solve for x
x = 12,681,572,422.18/146,520.84 - Step 6: Final answer
x = 86,551.32
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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.