Finding the Fourth Proportional to 338,570.72, 507,898.45 and 125,302.68
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Solution
The fourth proportional to 338,570.72, 507,898.45 and 125,302.68 is: 187,969.70
Step by Step Solution
- Step 1: Write the proportion equation
338,570.72 : 507,898.45 = 125,302.68 : x - Step 2: Convert to fraction form
338,570.72/507,898.45 = 125,302.68/x - Step 3: Cross multiply
338,570.72x = 507,898.45 × 125,302.68 - Step 4: Simplify right side
338,570.72x = 63,641,037,109.47 - Step 5: Solve for x
x = 63,641,037,109.47/338,570.72 - Step 6: Final answer
x = 187,969.70
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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.