Finding the Fourth Proportional to 145,989.44, 201,430.92 and 88,627.28
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Solution
The fourth proportional to 145,989.44, 201,430.92 and 88,627.28 is: 122,284.70
Step by Step Solution
- Step 1: Write the proportion equation
145,989.44 : 201,430.92 = 88,627.28 : x - Step 2: Convert to fraction form
145,989.44/201,430.92 = 88,627.28/x - Step 3: Cross multiply
145,989.44x = 201,430.92 × 88,627.28 - Step 4: Simplify right side
145,989.44x = 17,852,274,547.50 - Step 5: Solve for x
x = 17,852,274,547.50/145,989.44 - Step 6: Final answer
x = 122,284.70
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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.