Finding the Fourth Proportional to 170,710.15, 255,920.62 and 70,807.99
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Solution
The fourth proportional to 170,710.15, 255,920.62 and 70,807.99 is: 106,152.01
Step by Step Solution
- Step 1: Write the proportion equation
170,710.15 : 255,920.62 = 70,807.99 : x - Step 2: Convert to fraction form
170,710.15/255,920.62 = 70,807.99/x - Step 3: Cross multiply
170,710.15x = 255,920.62 × 70,807.99 - Step 4: Simplify right side
170,710.15x = 18,121,224,701.75 - Step 5: Solve for x
x = 18,121,224,701.75/170,710.15 - Step 6: Final answer
x = 106,152.01
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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.