Finding the Fourth Proportional to 163,585.84, 245,381.16 and 107,783.32
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Solution
The fourth proportional to 163,585.84, 245,381.16 and 107,783.32 is: 161,676.56
Step by Step Solution
- Step 1: Write the proportion equation
163,585.84 : 245,381.16 = 107,783.32 : x - Step 2: Convert to fraction form
163,585.84/245,381.16 = 107,783.32/x - Step 3: Cross multiply
163,585.84x = 245,381.16 × 107,783.32 - Step 4: Simplify right side
163,585.84x = 26,447,996,090.25 - Step 5: Solve for x
x = 26,447,996,090.25/163,585.84 - Step 6: Final answer
x = 161,676.56
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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.