Finding the Fourth Proportional to 639,448.30, 958,511.49 and 239,807.26
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Solution
The fourth proportional to 639,448.30, 958,511.49 and 239,807.26 is: 359,463.02
Step by Step Solution
- Step 1: Write the proportion equation
639,448.30 : 958,511.49 = 239,807.26 : x - Step 2: Convert to fraction form
639,448.30/958,511.49 = 239,807.26/x - Step 3: Cross multiply
639,448.30x = 958,511.49 × 239,807.26 - Step 4: Simplify right side
639,448.30x = 229,858,014,095.42 - Step 5: Solve for x
x = 229,858,014,095.42/639,448.30 - Step 6: Final answer
x = 359,463.02
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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.