Finding the Fourth Proportional to 163,768.12, 245,258.51 and 93,434.20
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Solution
The fourth proportional to 163,768.12, 245,258.51 and 93,434.20 is: 139,926.70
Step by Step Solution
- Step 1: Write the proportion equation
163,768.12 : 245,258.51 = 93,434.20 : x - Step 2: Convert to fraction form
163,768.12/245,258.51 = 93,434.20/x - Step 3: Cross multiply
163,768.12x = 245,258.51 × 93,434.20 - Step 4: Simplify right side
163,768.12x = 22,915,532,675.04 - Step 5: Solve for x
x = 22,915,532,675.04/163,768.12 - Step 6: Final answer
x = 139,926.70
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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.