Finding the Fourth Proportional to 617,138.16, 925,707.26 and 261,903.07
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Solution
The fourth proportional to 617,138.16, 925,707.26 and 261,903.07 is: 392,854.61
Step by Step Solution
- Step 1: Write the proportion equation
617,138.16 : 925,707.26 = 261,903.07 : x - Step 2: Convert to fraction form
617,138.16/925,707.26 = 261,903.07/x - Step 3: Cross multiply
617,138.16x = 925,707.26 × 261,903.07 - Step 4: Simplify right side
617,138.16x = 242,445,573,315.29 - Step 5: Solve for x
x = 242,445,573,315.29/617,138.16 - Step 6: Final answer
x = 392,854.61
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Similar ratio
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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.