Finding the Fourth Proportional to 163,977.54, 245,966.36 and 126,592.19
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Solution
The fourth proportional to 163,977.54, 245,966.36 and 126,592.19 is: 189,888.31
Step by Step Solution
- Step 1: Write the proportion equation
163,977.54 : 245,966.36 = 126,592.19 : x - Step 2: Convert to fraction form
163,977.54/245,966.36 = 126,592.19/x - Step 3: Cross multiply
163,977.54x = 245,966.36 × 126,592.19 - Step 4: Simplify right side
163,977.54x = 31,137,418,315.94 - Step 5: Solve for x
x = 31,137,418,315.94/163,977.54 - Step 6: Final answer
x = 189,888.31
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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.