Finding the Fourth Proportional to 409,608.84, 565,272.18 and 239,827.08
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Solution
The fourth proportional to 409,608.84, 565,272.18 and 239,827.08 is: 330,968.39
Step by Step Solution
- Step 1: Write the proportion equation
409,608.84 : 565,272.18 = 239,827.08 : x - Step 2: Convert to fraction form
409,608.84/565,272.18 = 239,827.08/x - Step 3: Cross multiply
409,608.84x = 565,272.18 × 239,827.08 - Step 4: Simplify right side
409,608.84x = 135,567,576,334.63 - Step 5: Solve for x
x = 135,567,576,334.63/409,608.84 - Step 6: Final answer
x = 330,968.39
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1.5x scale
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.