Finding the Fourth Proportional to 338,237.42, 466,741.95 and 187,331.18
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Solution
The fourth proportional to 338,237.42, 466,741.95 and 187,331.18 is: 258,502.80
Step by Step Solution
- Step 1: Write the proportion equation
338,237.42 : 466,741.95 = 187,331.18 : x - Step 2: Convert to fraction form
338,237.42/466,741.95 = 187,331.18/x - Step 3: Cross multiply
338,237.42x = 466,741.95 × 187,331.18 - Step 4: Simplify right side
338,237.42x = 87,435,320,249.00 - Step 5: Solve for x
x = 87,435,320,249.00/338,237.42 - Step 6: Final answer
x = 258,502.80
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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.