Finding the Fourth Proportional to 175,423.40, 263,135.10 and 112,437.80
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Solution
The fourth proportional to 175,423.40, 263,135.10 and 112,437.80 is: 168,656.70
Step by Step Solution
- Step 1: Write the proportion equation
175,423.40 : 263,135.10 = 112,437.80 : x - Step 2: Convert to fraction form
175,423.40/263,135.10 = 112,437.80/x - Step 3: Cross multiply
175,423.40x = 263,135.10 × 112,437.80 - Step 4: Simplify right side
175,423.40x = 29,586,331,746.78 - Step 5: Solve for x
x = 29,586,331,746.78/175,423.40 - Step 6: Final answer
x = 168,656.70
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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.