Finding the Fourth Proportional to 338,115.29, 507,319.47 and 186,126.68
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Solution
The fourth proportional to 338,115.29, 507,319.47 and 186,126.68 is: 279,270.69
Step by Step Solution
- Step 1: Write the proportion equation
338,115.29 : 507,319.47 = 186,126.68 : x - Step 2: Convert to fraction form
338,115.29/507,319.47 = 186,126.68/x - Step 3: Cross multiply
338,115.29x = 507,319.47 × 186,126.68 - Step 4: Simplify right side
338,115.29x = 94,425,689,918.76 - Step 5: Solve for x
x = 94,425,689,918.76/338,115.29 - Step 6: Final answer
x = 279,270.69
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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.