Finding the Fourth Proportional to 451,750.15, 623,434.76 and 270,426.99
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Solution
The fourth proportional to 451,750.15, 623,434.76 and 270,426.99 is: 373,200.95
Step by Step Solution
- Step 1: Write the proportion equation
451,750.15 : 623,434.76 = 270,426.99 : x - Step 2: Convert to fraction form
451,750.15/623,434.76 = 270,426.99/x - Step 3: Cross multiply
451,750.15x = 623,434.76 × 270,426.99 - Step 4: Simplify right side
451,750.15x = 168,593,585,608.17 - Step 5: Solve for x
x = 168,593,585,608.17/451,750.15 - Step 6: Final answer
x = 373,200.95
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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.