Finding the Fourth Proportional to 219,835.99, 329,643.11 and 156,619.99
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Solution
The fourth proportional to 219,835.99, 329,643.11 and 156,619.99 is: 234,850.99
Step by Step Solution
- Step 1: Write the proportion equation
219,835.99 : 329,643.11 = 156,619.99 : x - Step 2: Convert to fraction form
219,835.99/329,643.11 = 156,619.99/x - Step 3: Cross multiply
219,835.99x = 329,643.11 × 156,619.99 - Step 4: Simplify right side
219,835.99x = 51,628,699,808.67 - Step 5: Solve for x
x = 51,628,699,808.67/219,835.99 - Step 6: Final answer
x = 234,850.99
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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.