Finding the Fourth Proportional to 519,175.10, 778,894.19 and 159,364.19
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Solution
The fourth proportional to 519,175.10, 778,894.19 and 159,364.19 is: 239,086.66
Step by Step Solution
- Step 1: Write the proportion equation
519,175.10 : 778,894.19 = 159,364.19 : x - Step 2: Convert to fraction form
519,175.10/778,894.19 = 159,364.19/x - Step 3: Cross multiply
519,175.10x = 778,894.19 × 159,364.19 - Step 4: Simplify right side
519,175.10x = 124,127,843,433.09 - Step 5: Solve for x
x = 124,127,843,433.09/519,175.10 - Step 6: Final answer
x = 239,086.66
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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.