Finding the Fourth Proportional to 519,338.98, 779,008.48 and 125,354.98
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Solution
The fourth proportional to 519,338.98, 779,008.48 and 125,354.98 is: 188,032.47
Step by Step Solution
- Step 1: Write the proportion equation
519,338.98 : 779,008.48 = 125,354.98 : x - Step 2: Convert to fraction form
519,338.98/779,008.48 = 125,354.98/x - Step 3: Cross multiply
519,338.98x = 779,008.48 × 125,354.98 - Step 4: Simplify right side
519,338.98x = 97,652,592,430.23 - Step 5: Solve for x
x = 97,652,592,430.23/519,338.98 - Step 6: Final answer
x = 188,032.47
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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.