Finding the Fourth Proportional to 236,823.40, 355,235.10 and 162,173.80
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Solution
The fourth proportional to 236,823.40, 355,235.10 and 162,173.80 is: 243,260.70
Step by Step Solution
- Step 1: Write the proportion equation
236,823.40 : 355,235.10 = 162,173.80 : x - Step 2: Convert to fraction form
236,823.40/355,235.10 = 162,173.80/x - Step 3: Cross multiply
236,823.40x = 355,235.10 × 162,173.80 - Step 4: Simplify right side
236,823.40x = 57,609,826,060.38 - Step 5: Solve for x
x = 57,609,826,060.38/236,823.40 - Step 6: Final answer
x = 243,260.70
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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.