Finding the Fourth Proportional to 302,437.20, 453,637.44 and 133,908.42
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Solution
The fourth proportional to 302,437.20, 453,637.44 and 133,908.42 is: 200,854.50
Step by Step Solution
- Step 1: Write the proportion equation
302,437.20 : 453,637.44 = 133,908.42 : x - Step 2: Convert to fraction form
302,437.20/453,637.44 = 133,908.42/x - Step 3: Cross multiply
302,437.20x = 453,637.44 × 133,908.42 - Step 4: Simplify right side
302,437.20x = 60,745,872,843.24 - Step 5: Solve for x
x = 60,745,872,843.24/302,437.20 - Step 6: Final answer
x = 200,854.50
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1.5x scale
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.