Finding the Fourth Proportional to 403,576.18, 605,364.27 and 190,294.45
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Solution
The fourth proportional to 403,576.18, 605,364.27 and 190,294.45 is: 285,441.68
Step by Step Solution
- Step 1: Write the proportion equation
403,576.18 : 605,364.27 = 190,294.45 : x - Step 2: Convert to fraction form
403,576.18/605,364.27 = 190,294.45/x - Step 3: Cross multiply
403,576.18x = 605,364.27 × 190,294.45 - Step 4: Simplify right side
403,576.18x = 115,197,460,809.30 - Step 5: Solve for x
x = 115,197,460,809.30/403,576.18 - Step 6: Final answer
x = 285,441.68
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1.5x scale
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.