Finding the Fourth Proportional to 228,246.71, 314,953.11 and 131,482.08
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Solution
The fourth proportional to 228,246.71, 314,953.11 and 131,482.08 is: 181,429.52
Step by Step Solution
- Step 1: Write the proportion equation
228,246.71 : 314,953.11 = 131,482.08 : x - Step 2: Convert to fraction form
228,246.71/314,953.11 = 131,482.08/x - Step 3: Cross multiply
228,246.71x = 314,953.11 × 131,482.08 - Step 4: Simplify right side
228,246.71x = 41,410,690,005.27 - Step 5: Solve for x
x = 41,410,690,005.27/228,246.71 - Step 6: Final answer
x = 181,429.52
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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.