Finding the Fourth Proportional to 399,605.13, 599,407.70 and 162,966.33
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Solution
The fourth proportional to 399,605.13, 599,407.70 and 162,966.33 is: 244,449.50
Step by Step Solution
- Step 1: Write the proportion equation
399,605.13 : 599,407.70 = 162,966.33 : x - Step 2: Convert to fraction form
399,605.13/599,407.70 = 162,966.33/x - Step 3: Cross multiply
399,605.13x = 599,407.70 × 162,966.33 - Step 4: Simplify right side
399,605.13x = 97,683,272,227.91 - Step 5: Solve for x
x = 97,683,272,227.91/399,605.13 - Step 6: Final answer
x = 244,449.50
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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.