Finding the Fourth Proportional to 275,341.12, 413,011.70 and 97,855.13
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Solution
The fourth proportional to 275,341.12, 413,011.70 and 97,855.13 is: 146,782.70
Step by Step Solution
- Step 1: Write the proportion equation
275,341.12 : 413,011.70 = 97,855.13 : x - Step 2: Convert to fraction form
275,341.12/413,011.70 = 97,855.13/x - Step 3: Cross multiply
275,341.12x = 413,011.70 × 97,855.13 - Step 4: Simplify right side
275,341.12x = 40,415,313,595.02 - Step 5: Solve for x
x = 40,415,313,595.02/275,341.12 - Step 6: Final answer
x = 146,782.70
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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.