Finding the Fourth Proportional to 293,117.40, 438,509.70 and 254,107.80
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Solution
The fourth proportional to 293,117.40, 438,509.70 and 254,107.80 is: 380,150.53
Step by Step Solution
- Step 1: Write the proportion equation
293,117.40 : 438,509.70 = 254,107.80 : x - Step 2: Convert to fraction form
293,117.40/438,509.70 = 254,107.80/x - Step 3: Cross multiply
293,117.40x = 438,509.70 × 254,107.80 - Step 4: Simplify right side
293,117.40x = 111,428,735,145.66 - Step 5: Solve for x
x = 111,428,735,145.66/293,117.40 - Step 6: Final answer
x = 380,150.53
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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.