Finding the Fourth Proportional to 361,026.84, 498,235.41 and 199,899.63
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Solution
The fourth proportional to 361,026.84, 498,235.41 and 199,899.63 is: 275,871.66
Step by Step Solution
- Step 1: Write the proportion equation
361,026.84 : 498,235.41 = 199,899.63 : x - Step 2: Convert to fraction form
361,026.84/498,235.41 = 199,899.63/x - Step 3: Cross multiply
361,026.84x = 498,235.41 × 199,899.63 - Step 4: Simplify right side
361,026.84x = 99,597,074,111.90 - Step 5: Solve for x
x = 99,597,074,111.90/361,026.84 - Step 6: Final answer
x = 275,871.66
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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.