Finding the Fourth Proportional to 472,040.75, 651,423.70 and 257,180.75
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Solution
The fourth proportional to 472,040.75, 651,423.70 and 257,180.75 is: 354,913.50
Step by Step Solution
- Step 1: Write the proportion equation
472,040.75 : 651,423.70 = 257,180.75 : x - Step 2: Convert to fraction form
472,040.75/651,423.70 = 257,180.75/x - Step 3: Cross multiply
472,040.75x = 651,423.70 × 257,180.75 - Step 4: Simplify right side
472,040.75x = 167,533,631,833.71 - Step 5: Solve for x
x = 167,533,631,833.71/472,040.75 - Step 6: Final answer
x = 354,913.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.