Finding the Fourth Proportional to 297,926.60, 446,638.14 and 129,319.40
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Solution
The fourth proportional to 297,926.60, 446,638.14 and 129,319.40 is: 193,869.82
Step by Step Solution
- Step 1: Write the proportion equation
297,926.60 : 446,638.14 = 129,319.40 : x - Step 2: Convert to fraction form
297,926.60/446,638.14 = 129,319.40/x - Step 3: Cross multiply
297,926.60x = 446,638.14 × 129,319.40 - Step 4: Simplify right side
297,926.60x = 57,758,976,281.92 - Step 5: Solve for x
x = 57,758,976,281.92/297,926.60 - Step 6: Final answer
x = 193,869.82
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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.