Finding the Fourth Proportional to 239,613.80, 330,655.26 and 144,101.96
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Solution
The fourth proportional to 239,613.80, 330,655.26 and 144,101.96 is: 198,853.62
Step by Step Solution
- Step 1: Write the proportion equation
239,613.80 : 330,655.26 = 144,101.96 : x - Step 2: Convert to fraction form
239,613.80/330,655.26 = 144,101.96/x - Step 3: Cross multiply
239,613.80x = 330,655.26 × 144,101.96 - Step 4: Simplify right side
239,613.80x = 47,648,071,050.31 - Step 5: Solve for x
x = 47,648,071,050.31/239,613.80 - Step 6: Final answer
x = 198,853.62
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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.