Finding the Fourth Proportional to 422,605.74, 583,109.75 and 250,447.84
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Solution
The fourth proportional to 422,605.74, 583,109.75 and 250,447.84 is: 345,566.95
Step by Step Solution
- Step 1: Write the proportion equation
422,605.74 : 583,109.75 = 250,447.84 : x - Step 2: Convert to fraction form
422,605.74/583,109.75 = 250,447.84/x - Step 3: Cross multiply
422,605.74x = 583,109.75 × 250,447.84 - Step 4: Simplify right side
422,605.74x = 146,038,577,370.44 - Step 5: Solve for x
x = 146,038,577,370.44/422,605.74 - Step 6: Final answer
x = 345,566.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.