Finding the Fourth Proportional to 287,088.08, 430,468.02 and 87,349.40
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Solution
The fourth proportional to 287,088.08, 430,468.02 and 87,349.40 is: 130,974.17
Step by Step Solution
- Step 1: Write the proportion equation
287,088.08 : 430,468.02 = 87,349.40 : x - Step 2: Convert to fraction form
287,088.08/430,468.02 = 87,349.40/x - Step 3: Cross multiply
287,088.08x = 430,468.02 × 87,349.40 - Step 4: Simplify right side
287,088.08x = 37,601,123,266.19 - Step 5: Solve for x
x = 37,601,123,266.19/287,088.08 - Step 6: Final answer
x = 130,974.17
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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.