Finding the Fourth Proportional to 519,746.26, 779,619.42 and 125,762.26
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Solution
The fourth proportional to 519,746.26, 779,619.42 and 125,762.26 is: 188,643.40
Step by Step Solution
- Step 1: Write the proportion equation
519,746.26 : 779,619.42 = 125,762.26 : x - Step 2: Convert to fraction form
519,746.26/779,619.42 = 125,762.26/x - Step 3: Cross multiply
519,746.26x = 779,619.42 × 125,762.26 - Step 4: Simplify right side
519,746.26x = 98,046,700,199.09 - Step 5: Solve for x
x = 98,046,700,199.09/519,746.26 - Step 6: Final answer
x = 188,643.40
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Similar ratio
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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.