Finding the Fourth Proportional to 296,712.42, 409,454.61 and 174,202.75
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Solution
The fourth proportional to 296,712.42, 409,454.61 and 174,202.75 is: 240,394.79
Step by Step Solution
- Step 1: Write the proportion equation
296,712.42 : 409,454.61 = 174,202.75 : x - Step 2: Convert to fraction form
296,712.42/409,454.61 = 174,202.75/x - Step 3: Cross multiply
296,712.42x = 409,454.61 × 174,202.75 - Step 4: Simplify right side
296,712.42x = 71,328,119,900.63 - Step 5: Solve for x
x = 71,328,119,900.63/296,712.42 - Step 6: Final answer
x = 240,394.79
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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.