Finding the Fourth Proportional to 374,037.32, 516,038.58 and 221,043.08
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Solution
The fourth proportional to 374,037.32, 516,038.58 and 221,043.08 is: 304,960.90
Step by Step Solution
- Step 1: Write the proportion equation
374,037.32 : 516,038.58 = 221,043.08 : x - Step 2: Convert to fraction form
374,037.32/516,038.58 = 221,043.08/x - Step 3: Cross multiply
374,037.32x = 516,038.58 × 221,043.08 - Step 4: Simplify right side
374,037.32x = 114,066,757,122.03 - Step 5: Solve for x
x = 114,066,757,122.03/374,037.32 - Step 6: Final answer
x = 304,960.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.