Finding the Fourth Proportional to 279,125.92, 385,177.98 and 151,801.48
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Solution
The fourth proportional to 279,125.92, 385,177.98 and 151,801.48 is: 209,477.46
Step by Step Solution
- Step 1: Write the proportion equation
279,125.92 : 385,177.98 = 151,801.48 : x - Step 2: Convert to fraction form
279,125.92/385,177.98 = 151,801.48/x - Step 3: Cross multiply
279,125.92x = 385,177.98 × 151,801.48 - Step 4: Simplify right side
279,125.92x = 58,470,587,427.41 - Step 5: Solve for x
x = 58,470,587,427.41/279,125.92 - Step 6: Final answer
x = 209,477.46
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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.