Finding the Fourth Proportional to 134,752.06, 202,143.62 and 44,802.78
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Solution
The fourth proportional to 134,752.06, 202,143.62 and 44,802.78 is: 67,209.33
Step by Step Solution
- Step 1: Write the proportion equation
134,752.06 : 202,143.62 = 44,802.78 : x - Step 2: Convert to fraction form
134,752.06/202,143.62 = 44,802.78/x - Step 3: Cross multiply
134,752.06x = 202,143.62 × 44,802.78 - Step 4: Simplify right side
134,752.06x = 9,056,596,135.26 - Step 5: Solve for x
x = 9,056,596,135.26/134,752.06 - Step 6: Final answer
x = 67,209.33
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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.