Finding the Fourth Proportional to 518,169.61, 777,254.41 and 202,405.08
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Solution
The fourth proportional to 518,169.61, 777,254.41 and 202,405.08 is: 303,607.62
Step by Step Solution
- Step 1: Write the proportion equation
518,169.61 : 777,254.41 = 202,405.08 : x - Step 2: Convert to fraction form
518,169.61/777,254.41 = 202,405.08/x - Step 3: Cross multiply
518,169.61x = 777,254.41 × 202,405.08 - Step 4: Simplify right side
518,169.61x = 157,320,239,262.79 - Step 5: Solve for x
x = 157,320,239,262.79/518,169.61 - Step 6: Final answer
x = 303,607.62
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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.