Finding the Fourth Proportional to 298,281.99, 411,636.75 and 162,323.31
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Solution
The fourth proportional to 298,281.99, 411,636.75 and 162,323.31 is: 224,010.31
Step by Step Solution
- Step 1: Write the proportion equation
298,281.99 : 411,636.75 = 162,323.31 : x - Step 2: Convert to fraction form
298,281.99/411,636.75 = 162,323.31/x - Step 3: Cross multiply
298,281.99x = 411,636.75 × 162,323.31 - Step 4: Simplify right side
298,281.99x = 66,818,239,777.64 - Step 5: Solve for x
x = 66,818,239,777.64/298,281.99 - Step 6: Final answer
x = 224,010.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.