Finding the Fourth Proportional to 354,118.16, 531,280.68 and 114,226.75
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Solution
The fourth proportional to 354,118.16, 531,280.68 and 114,226.75 is: 171,373.49
Step by Step Solution
- Step 1: Write the proportion equation
354,118.16 : 531,280.68 = 114,226.75 : x - Step 2: Convert to fraction form
354,118.16/531,280.68 = 114,226.75/x - Step 3: Cross multiply
354,118.16x = 531,280.68 × 114,226.75 - Step 4: Simplify right side
354,118.16x = 60,686,465,649.94 - Step 5: Solve for x
x = 60,686,465,649.94/354,118.16 - Step 6: Final answer
x = 171,373.49
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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.