Finding the Fourth Proportional to 145,991.57, 201,482.49 and 88,617.70
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Solution
The fourth proportional to 145,991.57, 201,482.49 and 88,617.70 is: 122,301.00
Step by Step Solution
- Step 1: Write the proportion equation
145,991.57 : 201,482.49 = 88,617.70 : x - Step 2: Convert to fraction form
145,991.57/201,482.49 = 88,617.70/x - Step 3: Cross multiply
145,991.57x = 201,482.49 × 88,617.70 - Step 4: Simplify right side
145,991.57x = 17,854,913,806.43 - Step 5: Solve for x
x = 17,854,913,806.43/145,991.57 - Step 6: Final answer
x = 122,301.00
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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.