Finding the Fourth Proportional to 299,037.42, 448,444.35 and 121,484.61
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Solution
The fourth proportional to 299,037.42, 448,444.35 and 121,484.61 is: 182,181.50
Step by Step Solution
- Step 1: Write the proportion equation
299,037.42 : 448,444.35 = 121,484.61 : x - Step 2: Convert to fraction form
299,037.42/448,444.35 = 121,484.61/x - Step 3: Cross multiply
299,037.42x = 448,444.35 × 121,484.61 - Step 4: Simplify right side
299,037.42x = 54,479,086,966.45 - Step 5: Solve for x
x = 54,479,086,966.45/299,037.42 - Step 6: Final answer
x = 182,181.50
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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.