Finding the Fourth Proportional to 247,061.99, 340,936.40 and 133,882.31
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Solution
The fourth proportional to 247,061.99, 340,936.40 and 133,882.31 is: 184,752.63
Step by Step Solution
- Step 1: Write the proportion equation
247,061.99 : 340,936.40 = 133,882.31 : x - Step 2: Convert to fraction form
247,061.99/340,936.40 = 133,882.31/x - Step 3: Cross multiply
247,061.99x = 340,936.40 × 133,882.31 - Step 4: Simplify right side
247,061.99x = 45,645,350,420.99 - Step 5: Solve for x
x = 45,645,350,420.99/247,061.99 - Step 6: Final answer
x = 184,752.63
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1.5x scale
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.