Finding the Fourth Proportional to 639,206.19, 958,560.10 and 239,628.94
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Solution
The fourth proportional to 639,206.19, 958,560.10 and 239,628.94 is: 359,349.99
Step by Step Solution
- Step 1: Write the proportion equation
639,206.19 : 958,560.10 = 239,628.94 : x - Step 2: Convert to fraction form
639,206.19/958,560.10 = 239,628.94/x - Step 3: Cross multiply
639,206.19x = 958,560.10 × 239,628.94 - Step 4: Simplify right side
639,206.19x = 229,698,737,693.82 - Step 5: Solve for x
x = 229,698,737,693.82/639,206.19 - Step 6: Final answer
x = 359,349.99
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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.