Finding the Fourth Proportional to 115,482.75, 159,366.68 and 62,490.75
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Solution
The fourth proportional to 115,482.75, 159,366.68 and 62,490.75 is: 86,237.49
Step by Step Solution
- Step 1: Write the proportion equation
115,482.75 : 159,366.68 = 62,490.75 : x - Step 2: Convert to fraction form
115,482.75/159,366.68 = 62,490.75/x - Step 3: Cross multiply
115,482.75x = 159,366.68 × 62,490.75 - Step 4: Simplify right side
115,482.75x = 9,958,943,045.76 - Step 5: Solve for x
x = 9,958,943,045.76/115,482.75 - Step 6: Final answer
x = 86,237.49
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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.