Finding the Fourth Proportional to 163,962.43, 245,943.68 and 126,577.08
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Solution
The fourth proportional to 163,962.43, 245,943.68 and 126,577.08 is: 189,865.65
Step by Step Solution
- Step 1: Write the proportion equation
163,962.43 : 245,943.68 = 126,577.08 : x - Step 2: Convert to fraction form
163,962.43/245,943.68 = 126,577.08/x - Step 3: Cross multiply
163,962.43x = 245,943.68 × 126,577.08 - Step 4: Simplify right side
163,962.43x = 31,130,832,225.97 - Step 5: Solve for x
x = 31,130,832,225.97/163,962.43 - Step 6: Final answer
x = 189,865.65
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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.