Finding the Fourth Proportional to 422,220.68, 633,437.95 and 122,694.83
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Solution
The fourth proportional to 422,220.68, 633,437.95 and 122,694.83 is: 184,073.32
Step by Step Solution
- Step 1: Write the proportion equation
422,220.68 : 633,437.95 = 122,694.83 : x - Step 2: Convert to fraction form
422,220.68/633,437.95 = 122,694.83/x - Step 3: Cross multiply
422,220.68x = 633,437.95 × 122,694.83 - Step 4: Simplify right side
422,220.68x = 77,719,561,590.80 - Step 5: Solve for x
x = 77,719,561,590.80/422,220.68 - Step 6: Final answer
x = 184,073.32
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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.