Finding the Fourth Proportional to 508,406.68, 701,599.08 and 282,052.18
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Solution
The fourth proportional to 508,406.68, 701,599.08 and 282,052.18 is: 389,230.82
Step by Step Solution
- Step 1: Write the proportion equation
508,406.68 : 701,599.08 = 282,052.18 : x - Step 2: Convert to fraction form
508,406.68/701,599.08 = 282,052.18/x - Step 3: Cross multiply
508,406.68x = 701,599.08 × 282,052.18 - Step 4: Simplify right side
508,406.68x = 197,887,549,999.99 - Step 5: Solve for x
x = 197,887,549,999.99/508,406.68 - Step 6: Final answer
x = 389,230.82
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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.