Finding the Fourth Proportional to 480,077.80, 720,116.70 and 164,537.80
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Solution
The fourth proportional to 480,077.80, 720,116.70 and 164,537.80 is: 246,806.70
Step by Step Solution
- Step 1: Write the proportion equation
480,077.80 : 720,116.70 = 164,537.80 : x - Step 2: Convert to fraction form
480,077.80/720,116.70 = 164,537.80/x - Step 3: Cross multiply
480,077.80x = 720,116.70 × 164,537.80 - Step 4: Simplify right side
480,077.80x = 118,486,417,561.26 - Step 5: Solve for x
x = 118,486,417,561.26/480,077.80 - Step 6: Final answer
x = 246,806.70
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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.