Finding the Fourth Proportional to 349,898.23, 482,739.19 and 212,121.59
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Solution
The fourth proportional to 349,898.23, 482,739.19 and 212,121.59 is: 292,654.82
Step by Step Solution
- Step 1: Write the proportion equation
349,898.23 : 482,739.19 = 212,121.59 : x - Step 2: Convert to fraction form
349,898.23/482,739.19 = 212,121.59/x - Step 3: Cross multiply
349,898.23x = 482,739.19 × 212,121.59 - Step 4: Simplify right side
349,898.23x = 102,399,402,787.30 - Step 5: Solve for x
x = 102,399,402,787.30/349,898.23 - Step 6: Final answer
x = 292,654.82
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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.