Finding the Fourth Proportional to 625,980.09, 938,979.87 and 152,674.41
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Solution
The fourth proportional to 625,980.09, 938,979.87 and 152,674.41 is: 229,013.99
Step by Step Solution
- Step 1: Write the proportion equation
625,980.09 : 938,979.87 = 152,674.41 : x - Step 2: Convert to fraction form
625,980.09/938,979.87 = 152,674.41/x - Step 3: Cross multiply
625,980.09x = 938,979.87 × 152,674.41 - Step 4: Simplify right side
625,980.09x = 143,358,197,654.13 - Step 5: Solve for x
x = 143,358,197,654.13/625,980.09 - Step 6: Final answer
x = 229,013.99
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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.