Finding the Fourth Proportional to 282,231.83, 423,125.80 and 193,215.53
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Solution
The fourth proportional to 282,231.83, 423,125.80 and 193,215.53 is: 289,671.35
Step by Step Solution
- Step 1: Write the proportion equation
282,231.83 : 423,125.80 = 193,215.53 : x - Step 2: Convert to fraction form
282,231.83/423,125.80 = 193,215.53/x - Step 3: Cross multiply
282,231.83x = 423,125.80 × 193,215.53 - Step 4: Simplify right side
282,231.83x = 81,754,475,703.67 - Step 5: Solve for x
x = 81,754,475,703.67/282,231.83 - Step 6: Final answer
x = 289,671.35
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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.