Finding the Fourth Proportional to 338,109.93, 507,214.35 and 101,471.31
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Solution
The fourth proportional to 338,109.93, 507,214.35 and 101,471.31 is: 152,221.81
Step by Step Solution
- Step 1: Write the proportion equation
338,109.93 : 507,214.35 = 101,471.31 : x - Step 2: Convert to fraction form
338,109.93/507,214.35 = 101,471.31/x - Step 3: Cross multiply
338,109.93x = 507,214.35 × 101,471.31 - Step 4: Simplify right side
338,109.93x = 51,467,704,545.30 - Step 5: Solve for x
x = 51,467,704,545.30/338,109.93 - Step 6: Final answer
x = 152,221.81
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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.