Finding the Fourth Proportional to 399,898.62, 599,782.86 and 133,658.71
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Solution
The fourth proportional to 399,898.62, 599,782.86 and 133,658.71 is: 200,466.31
Step by Step Solution
- Step 1: Write the proportion equation
399,898.62 : 599,782.86 = 133,658.71 : x - Step 2: Convert to fraction form
399,898.62/599,782.86 = 133,658.71/x - Step 3: Cross multiply
399,898.62x = 599,782.86 × 133,658.71 - Step 4: Simplify right side
399,898.62x = 80,166,201,848.25 - Step 5: Solve for x
x = 80,166,201,848.25/399,898.62 - Step 6: Final answer
x = 200,466.31
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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.