Finding the Fourth Proportional to 493,313.68, 680,772.90 and 266,959.18
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Solution
The fourth proportional to 493,313.68, 680,772.90 and 266,959.18 is: 368,403.68
Step by Step Solution
- Step 1: Write the proportion equation
493,313.68 : 680,772.90 = 266,959.18 : x - Step 2: Convert to fraction form
493,313.68/680,772.90 = 266,959.18/x - Step 3: Cross multiply
493,313.68x = 680,772.90 × 266,959.18 - Step 4: Simplify right side
493,313.68x = 181,738,575,150.22 - Step 5: Solve for x
x = 181,738,575,150.22/493,313.68 - Step 6: Final answer
x = 368,403.68
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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.