Finding the Fourth Proportional to 415,056.23, 572,778.78 and 240,660.23
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Solution
The fourth proportional to 415,056.23, 572,778.78 and 240,660.23 is: 332,111.80
Step by Step Solution
- Step 1: Write the proportion equation
415,056.23 : 572,778.78 = 240,660.23 : x - Step 2: Convert to fraction form
415,056.23/572,778.78 = 240,660.23/x - Step 3: Cross multiply
415,056.23x = 572,778.78 × 240,660.23 - Step 4: Simplify right side
415,056.23x = 137,845,070,988.31 - Step 5: Solve for x
x = 137,845,070,988.31/415,056.23 - Step 6: Final answer
x = 332,111.80
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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.