Finding the Fourth Proportional to 429,229.68, 643,848.14 and 162,918.68
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Solution
The fourth proportional to 429,229.68, 643,848.14 and 162,918.68 is: 244,379.39
Step by Step Solution
- Step 1: Write the proportion equation
429,229.68 : 643,848.14 = 162,918.68 : x - Step 2: Convert to fraction form
429,229.68/643,848.14 = 162,918.68/x - Step 3: Cross multiply
429,229.68x = 643,848.14 × 162,918.68 - Step 4: Simplify right side
429,229.68x = 104,894,889,089.26 - Step 5: Solve for x
x = 104,894,889,089.26/429,229.68 - Step 6: Final answer
x = 244,379.39
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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.