Finding the Fourth Proportional to 539,633.21, 809,308.80 and 160,451.84
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Solution
The fourth proportional to 539,633.21, 809,308.80 and 160,451.84 is: 240,635.84
Step by Step Solution
- Step 1: Write the proportion equation
539,633.21 : 809,308.80 = 160,451.84 : x - Step 2: Convert to fraction form
539,633.21/809,308.80 = 160,451.84/x - Step 3: Cross multiply
539,633.21x = 809,308.80 × 160,451.84 - Step 4: Simplify right side
539,633.21x = 129,855,088,111.46 - Step 5: Solve for x
x = 129,855,088,111.46/539,633.21 - Step 6: Final answer
x = 240,635.84
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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.