Finding the Fourth Proportional to 97,289.64, 145,929.12 and 29,821.56
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Solution
The fourth proportional to 97,289.64, 145,929.12 and 29,821.56 is: 44,730.70
Step by Step Solution
- Step 1: Write the proportion equation
97,289.64 : 145,929.12 = 29,821.56 : x - Step 2: Convert to fraction form
97,289.64/145,929.12 = 29,821.56/x - Step 3: Cross multiply
97,289.64x = 145,929.12 × 29,821.56 - Step 4: Simplify right side
97,289.64x = 4,351,834,007.83 - Step 5: Solve for x
x = 4,351,834,007.83/97,289.64 - Step 6: Final answer
x = 44,730.70
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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.