Finding the Fourth Proportional to 275,389.10, 413,125.34 and 97,853.91
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Solution
The fourth proportional to 275,389.10, 413,125.34 and 97,853.91 is: 146,795.68
Step by Step Solution
- Step 1: Write the proportion equation
275,389.10 : 413,125.34 = 97,853.91 : x - Step 2: Convert to fraction form
275,389.10/413,125.34 = 97,853.91/x - Step 3: Cross multiply
275,389.10x = 413,125.34 × 97,853.91 - Step 4: Simplify right side
275,389.10x = 40,425,929,349.81 - Step 5: Solve for x
x = 40,425,929,349.81/275,389.10 - Step 6: Final answer
x = 146,795.68
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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.