Finding the Fourth Proportional to 443,458.67, 611,972.55 and 239,509.58
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Solution
The fourth proportional to 443,458.67, 611,972.55 and 239,509.58 is: 330,522.99
Step by Step Solution
- Step 1: Write the proportion equation
443,458.67 : 611,972.55 = 239,509.58 : x - Step 2: Convert to fraction form
443,458.67/611,972.55 = 239,509.58/x - Step 3: Cross multiply
443,458.67x = 611,972.55 × 239,509.58 - Step 4: Simplify right side
443,458.67x = 146,573,285,362.17 - Step 5: Solve for x
x = 146,573,285,362.17/443,458.67 - Step 6: Final answer
x = 330,522.99
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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.