Finding the Fourth Proportional to 519,328.97, 779,094.45 and 199,457.44
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Solution
The fourth proportional to 519,328.97, 779,094.45 and 199,457.44 is: 299,224.95
Step by Step Solution
- Step 1: Write the proportion equation
519,328.97 : 779,094.45 = 199,457.44 : x - Step 2: Convert to fraction form
519,328.97/779,094.45 = 199,457.44/x - Step 3: Cross multiply
519,328.97x = 779,094.45 × 199,457.44 - Step 4: Simplify right side
519,328.97x = 155,396,182,567.47 - Step 5: Solve for x
x = 155,396,182,567.47/519,328.97 - Step 6: Final answer
x = 299,224.95
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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.