Finding the Fourth Proportional to 519,328.98, 778,993.47 and 125,344.98
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Solution
The fourth proportional to 519,328.98, 778,993.47 and 125,344.98 is: 188,017.47
Step by Step Solution
- Step 1: Write the proportion equation
519,328.98 : 778,993.47 = 125,344.98 : x - Step 2: Convert to fraction form
519,328.98/778,993.47 = 125,344.98/x - Step 3: Cross multiply
519,328.98x = 778,993.47 × 125,344.98 - Step 4: Simplify right side
519,328.98x = 97,642,920,917.28 - Step 5: Solve for x
x = 97,642,920,917.28/519,328.98 - Step 6: Final answer
x = 188,017.47
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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.