Finding the Fourth Proportional to 163,315.18, 244,743.04 and 129,886.88
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Solution
The fourth proportional to 163,315.18, 244,743.04 and 129,886.88 is: 194,647.61
Step by Step Solution
- Step 1: Write the proportion equation
163,315.18 : 244,743.04 = 129,886.88 : x - Step 2: Convert to fraction form
163,315.18/244,743.04 = 129,886.88/x - Step 3: Cross multiply
163,315.18x = 244,743.04 × 129,886.88 - Step 4: Simplify right side
163,315.18x = 31,788,909,867.32 - Step 5: Solve for x
x = 31,788,909,867.32/163,315.18 - Step 6: Final answer
x = 194,647.61
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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.