Finding the Fourth Proportional to 610,862.68, 916,074.42 and 211,394.98
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Solution
The fourth proportional to 610,862.68, 916,074.42 and 211,394.98 is: 317,016.48
Step by Step Solution
- Step 1: Write the proportion equation
610,862.68 : 916,074.42 = 211,394.98 : x - Step 2: Convert to fraction form
610,862.68/916,074.42 = 211,394.98/x - Step 3: Cross multiply
610,862.68x = 916,074.42 × 211,394.98 - Step 4: Simplify right side
610,862.68x = 193,653,533,694.41 - Step 5: Solve for x
x = 193,653,533,694.41/610,862.68 - Step 6: Final answer
x = 317,016.48
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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.