Finding the Fourth Proportional to 338,277.15, 507,474.35 and 113,659.49
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Solution
The fourth proportional to 338,277.15, 507,474.35 and 113,659.49 is: 170,508.92
Step by Step Solution
- Step 1: Write the proportion equation
338,277.15 : 507,474.35 = 113,659.49 : x - Step 2: Convert to fraction form
338,277.15/507,474.35 = 113,659.49/x - Step 3: Cross multiply
338,277.15x = 507,474.35 × 113,659.49 - Step 4: Simplify right side
338,277.15x = 57,679,272,703.41 - Step 5: Solve for x
x = 57,679,272,703.41/338,277.15 - Step 6: Final answer
x = 170,508.92
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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.