Finding the Fourth Proportional to 361,008.10, 498,195.06 and 199,865.62
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Solution
The fourth proportional to 361,008.10, 498,195.06 and 199,865.62 is: 275,816.70
Step by Step Solution
- Step 1: Write the proportion equation
361,008.10 : 498,195.06 = 199,865.62 : x - Step 2: Convert to fraction form
361,008.10/498,195.06 = 199,865.62/x - Step 3: Cross multiply
361,008.10x = 498,195.06 × 199,865.62 - Step 4: Simplify right side
361,008.10x = 99,572,064,547.84 - Step 5: Solve for x
x = 99,572,064,547.84/361,008.10 - Step 6: Final answer
x = 275,816.70
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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.