Finding the Fourth Proportional to 283,357.60, 391,032.88 and 154,294.08
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Solution
The fourth proportional to 283,357.60, 391,032.88 and 154,294.08 is: 212,925.50
Step by Step Solution
- Step 1: Write the proportion equation
283,357.60 : 391,032.88 = 154,294.08 : x - Step 2: Convert to fraction form
283,357.60/391,032.88 = 154,294.08/x - Step 3: Cross multiply
283,357.60x = 391,032.88 × 154,294.08 - Step 4: Simplify right side
283,357.60x = 60,334,058,469.35 - Step 5: Solve for x
x = 60,334,058,469.35/283,357.60 - Step 6: Final answer
x = 212,925.50
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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.