Finding the Fourth Proportional to 185,292.97, 255,605.49 and 112,718.05
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Solution
The fourth proportional to 185,292.97, 255,605.49 and 112,718.05 is: 155,490.80
Step by Step Solution
- Step 1: Write the proportion equation
185,292.97 : 255,605.49 = 112,718.05 : x - Step 2: Convert to fraction form
185,292.97/255,605.49 = 112,718.05/x - Step 3: Cross multiply
185,292.97x = 255,605.49 × 112,718.05 - Step 4: Simplify right side
185,292.97x = 28,811,352,402.09 - Step 5: Solve for x
x = 28,811,352,402.09/185,292.97 - Step 6: Final answer
x = 155,490.80
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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.