Finding the Fourth Proportional to 368,276.98, 508,217.23 and 207,131.99
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Solution
The fourth proportional to 368,276.98, 508,217.23 and 207,131.99 is: 285,839.33
Step by Step Solution
- Step 1: Write the proportion equation
368,276.98 : 508,217.23 = 207,131.99 : x - Step 2: Convert to fraction form
368,276.98/508,217.23 = 207,131.99/x - Step 3: Cross multiply
368,276.98x = 508,217.23 × 207,131.99 - Step 4: Simplify right side
368,276.98x = 105,268,046,202.19 - Step 5: Solve for x
x = 105,268,046,202.19/368,276.98 - Step 6: Final answer
x = 285,839.33
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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.