Finding the Fourth Proportional to 235,305.79, 352,966.95 and 75,386.58
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Solution
The fourth proportional to 235,305.79, 352,966.95 and 75,386.58 is: 113,082.52
Step by Step Solution
- Step 1: Write the proportion equation
235,305.79 : 352,966.95 = 75,386.58 : x - Step 2: Convert to fraction form
235,305.79/352,966.95 = 75,386.58/x - Step 3: Cross multiply
235,305.79x = 352,966.95 × 75,386.58 - Step 4: Simplify right side
235,305.79x = 26,608,971,213.53 - Step 5: Solve for x
x = 26,608,971,213.53/235,305.79 - Step 6: Final answer
x = 113,082.52
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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.