Finding the Fourth Proportional to 236,499.12, 326,368.80 and 176,121.60
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Solution
The fourth proportional to 236,499.12, 326,368.80 and 176,121.60 is: 243,047.82
Step by Step Solution
- Step 1: Write the proportion equation
236,499.12 : 326,368.80 = 176,121.60 : x - Step 2: Convert to fraction form
236,499.12/326,368.80 = 176,121.60/x - Step 3: Cross multiply
236,499.12x = 326,368.80 × 176,121.60 - Step 4: Simplify right side
236,499.12x = 57,480,595,246.08 - Step 5: Solve for x
x = 57,480,595,246.08/236,499.12 - Step 6: Final answer
x = 243,047.82
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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.