Finding the Fourth Proportional to 102,339.99, 153,509.99 and 39,966.75
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Solution
The fourth proportional to 102,339.99, 153,509.99 and 39,966.75 is: 59,950.13
Step by Step Solution
- Step 1: Write the proportion equation
102,339.99 : 153,509.99 = 39,966.75 : x - Step 2: Convert to fraction form
102,339.99/153,509.99 = 39,966.75/x - Step 3: Cross multiply
102,339.99x = 153,509.99 × 39,966.75 - Step 4: Simplify right side
102,339.99x = 6,135,295,193.00 - Step 5: Solve for x
x = 6,135,295,193.00/102,339.99 - Step 6: Final answer
x = 59,950.13
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1.5x scale
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.