Finding the Fourth Proportional to 427,734.68, 590,405.36 and 246,567.78
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Solution
The fourth proportional to 427,734.68, 590,405.36 and 246,567.78 is: 340,339.34
Step by Step Solution
- Step 1: Write the proportion equation
427,734.68 : 590,405.36 = 246,567.78 : x - Step 2: Convert to fraction form
427,734.68/590,405.36 = 246,567.78/x - Step 3: Cross multiply
427,734.68x = 590,405.36 × 246,567.78 - Step 4: Simplify right side
427,734.68x = 145,574,937,682.46 - Step 5: Solve for x
x = 145,574,937,682.46/427,734.68 - Step 6: Final answer
x = 340,339.34
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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.