Finding the Fourth Proportional to 287,322.54, 430,858.53 and 97,731.42
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Solution
The fourth proportional to 287,322.54, 430,858.53 and 97,731.42 is: 146,554.52
Step by Step Solution
- Step 1: Write the proportion equation
287,322.54 : 430,858.53 = 97,731.42 : x - Step 2: Convert to fraction form
287,322.54/430,858.53 = 97,731.42/x - Step 3: Cross multiply
287,322.54x = 430,858.53 × 97,731.42 - Step 4: Simplify right side
287,322.54x = 42,108,415,956.01 - Step 5: Solve for x
x = 42,108,415,956.01/287,322.54 - Step 6: Final answer
x = 146,554.52
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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.