Finding the Fourth Proportional to 207,310.48, 286,127.58 and 129,822.10
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Solution
The fourth proportional to 207,310.48, 286,127.58 and 129,822.10 is: 179,178.99
Step by Step Solution
- Step 1: Write the proportion equation
207,310.48 : 286,127.58 = 129,822.10 : x - Step 2: Convert to fraction form
207,310.48/286,127.58 = 129,822.10/x - Step 3: Cross multiply
207,310.48x = 286,127.58 × 129,822.10 - Step 4: Simplify right side
207,310.48x = 37,145,683,303.52 - Step 5: Solve for x
x = 37,145,683,303.52/207,310.48 - Step 6: Final answer
x = 179,178.99
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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.