Finding the Fourth Proportional to 453,703.28, 680,220.99 and 154,103.31
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Solution
The fourth proportional to 453,703.28, 680,220.99 and 154,103.31 is: 231,041.55
Step by Step Solution
- Step 1: Write the proportion equation
453,703.28 : 680,220.99 = 154,103.31 : x - Step 2: Convert to fraction form
453,703.28/680,220.99 = 154,103.31/x - Step 3: Cross multiply
453,703.28x = 680,220.99 × 154,103.31 - Step 4: Simplify right side
453,703.28x = 104,824,306,090.48 - Step 5: Solve for x
x = 104,824,306,090.48/453,703.28 - Step 6: Final answer
x = 231,041.55
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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.