Finding the Fourth Proportional to 153,911.99, 230,903.55 and 48,730.96
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Solution
The fourth proportional to 153,911.99, 230,903.55 and 48,730.96 is: 73,107.70
Step by Step Solution
- Step 1: Write the proportion equation
153,911.99 : 230,903.55 = 48,730.96 : x - Step 2: Convert to fraction form
153,911.99/230,903.55 = 48,730.96/x - Step 3: Cross multiply
153,911.99x = 230,903.55 × 48,730.96 - Step 4: Simplify right side
153,911.99x = 11,252,151,658.91 - Step 5: Solve for x
x = 11,252,151,658.91/153,911.99 - Step 6: Final answer
x = 73,107.70
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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.