Finding the Fourth Proportional to 338,341.68, 507,513.24 and 136,031.04
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Solution
The fourth proportional to 338,341.68, 507,513.24 and 136,031.04 is: 204,046.85
Step by Step Solution
- Step 1: Write the proportion equation
338,341.68 : 507,513.24 = 136,031.04 : x - Step 2: Convert to fraction form
338,341.68/507,513.24 = 136,031.04/x - Step 3: Cross multiply
338,341.68x = 507,513.24 × 136,031.04 - Step 4: Simplify right side
338,341.68x = 69,037,553,850.97 - Step 5: Solve for x
x = 69,037,553,850.97/338,341.68 - Step 6: Final answer
x = 204,046.85
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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.