Finding the Fourth Proportional to 298,047.62, 411,289.09 and 170,731.41
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Solution
The fourth proportional to 298,047.62, 411,289.09 and 170,731.41 is: 235,599.82
Step by Step Solution
- Step 1: Write the proportion equation
298,047.62 : 411,289.09 = 170,731.41 : x - Step 2: Convert to fraction form
298,047.62/411,289.09 = 170,731.41/x - Step 3: Cross multiply
298,047.62x = 411,289.09 × 170,731.41 - Step 4: Simplify right side
298,047.62x = 70,219,966,253.32 - Step 5: Solve for x
x = 70,219,966,253.32/298,047.62 - Step 6: Final answer
x = 235,599.82
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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.