Finding the Fourth Proportional to 367,257.94, 506,894.97 and 280,268.98
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Solution
The fourth proportional to 367,257.94, 506,894.97 and 280,268.98 is: 386,831.49
Step by Step Solution
- Step 1: Write the proportion equation
367,257.94 : 506,894.97 = 280,268.98 : x - Step 2: Convert to fraction form
367,257.94/506,894.97 = 280,268.98/x - Step 3: Cross multiply
367,257.94x = 506,894.97 × 280,268.98 - Step 4: Simplify right side
367,257.94x = 142,066,936,209.03 - Step 5: Solve for x
x = 142,066,936,209.03/367,257.94 - Step 6: Final answer
x = 386,831.49
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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.