Finding the Fourth Proportional to 287,935.58, 431,718.30 and 119,572.08
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Solution
The fourth proportional to 287,935.58, 431,718.30 and 119,572.08 is: 179,281.27
Step by Step Solution
- Step 1: Write the proportion equation
287,935.58 : 431,718.30 = 119,572.08 : x - Step 2: Convert to fraction form
287,935.58/431,718.30 = 119,572.08/x - Step 3: Cross multiply
287,935.58x = 431,718.30 × 119,572.08 - Step 4: Simplify right side
287,935.58x = 51,621,455,105.06 - Step 5: Solve for x
x = 51,621,455,105.06/287,935.58 - Step 6: Final answer
x = 179,281.27
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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.