Finding the Fourth Proportional to 547,863.49, 756,037.56 and 306,148.06
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Solution
The fourth proportional to 547,863.49, 756,037.56 and 306,148.06 is: 422,476.47
Step by Step Solution
- Step 1: Write the proportion equation
547,863.49 : 756,037.56 = 306,148.06 : x - Step 2: Convert to fraction form
547,863.49/756,037.56 = 306,148.06/x - Step 3: Cross multiply
547,863.49x = 756,037.56 × 306,148.06 - Step 4: Simplify right side
547,863.49x = 231,459,432,281.13 - Step 5: Solve for x
x = 231,459,432,281.13/547,863.49 - Step 6: Final answer
x = 422,476.47
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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.