Finding the Fourth Proportional to 191,176.80, 286,822.80 and 135,880.80
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Solution
The fourth proportional to 191,176.80, 286,822.80 and 135,880.80 is: 203,862.14
Step by Step Solution
- Step 1: Write the proportion equation
191,176.80 : 286,822.80 = 135,880.80 : x - Step 2: Convert to fraction form
191,176.80/286,822.80 = 135,880.80/x - Step 3: Cross multiply
191,176.80x = 286,822.80 × 135,880.80 - Step 4: Simplify right side
191,176.80x = 38,973,711,522.24 - Step 5: Solve for x
x = 38,973,711,522.24/191,176.80 - Step 6: Final answer
x = 203,862.14
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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.