Finding the Fourth Proportional to 190,903.80, 286,355.70 and 173,407.80
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Solution
The fourth proportional to 190,903.80, 286,355.70 and 173,407.80 is: 260,111.70
Step by Step Solution
- Step 1: Write the proportion equation
190,903.80 : 286,355.70 = 173,407.80 : x - Step 2: Convert to fraction form
190,903.80/286,355.70 = 173,407.80/x - Step 3: Cross multiply
190,903.80x = 286,355.70 × 173,407.80 - Step 4: Simplify right side
190,903.80x = 49,656,311,954.46 - Step 5: Solve for x
x = 49,656,311,954.46/190,903.80 - Step 6: Final answer
x = 260,111.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.