Finding the Fourth Proportional to 190,949.18, 286,465.08 and 72,622.76
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Solution
The fourth proportional to 190,949.18, 286,465.08 and 72,622.76 is: 108,949.85
Step by Step Solution
- Step 1: Write the proportion equation
190,949.18 : 286,465.08 = 72,622.76 : x - Step 2: Convert to fraction form
190,949.18/286,465.08 = 72,622.76/x - Step 3: Cross multiply
190,949.18x = 286,465.08 × 72,622.76 - Step 4: Simplify right side
190,949.18x = 20,803,884,753.22 - Step 5: Solve for x
x = 20,803,884,753.22/190,949.18 - Step 6: Final answer
x = 108,949.85
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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.