Finding the Fourth Proportional to 270,133.97, 372,813.77 and 155,417.63
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Solution
The fourth proportional to 270,133.97, 372,813.77 and 155,417.63 is: 214,492.94
Step by Step Solution
- Step 1: Write the proportion equation
270,133.97 : 372,813.77 = 155,417.63 : x - Step 2: Convert to fraction form
270,133.97/372,813.77 = 155,417.63/x - Step 3: Cross multiply
270,133.97x = 372,813.77 × 155,417.63 - Step 4: Simplify right side
270,133.97x = 57,941,829,923.61 - Step 5: Solve for x
x = 57,941,829,923.61/270,133.97 - Step 6: Final answer
x = 214,492.94
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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.