Finding the Fourth Proportional to 145,977.16, 201,322.68 and 94,971.28
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Solution
The fourth proportional to 145,977.16, 201,322.68 and 94,971.28 is: 130,978.52
Step by Step Solution
- Step 1: Write the proportion equation
145,977.16 : 201,322.68 = 94,971.28 : x - Step 2: Convert to fraction form
145,977.16/201,322.68 = 94,971.28/x - Step 3: Cross multiply
145,977.16x = 201,322.68 × 94,971.28 - Step 4: Simplify right side
145,977.16x = 19,119,872,612.63 - Step 5: Solve for x
x = 19,119,872,612.63/145,977.16 - Step 6: Final answer
x = 130,978.52
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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.