Finding the Fourth Proportional to 519,343.23, 778,894.56 and 164,291.07
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Solution
The fourth proportional to 519,343.23, 778,894.56 and 164,291.07 is: 246,398.55
Step by Step Solution
- Step 1: Write the proportion equation
519,343.23 : 778,894.56 = 164,291.07 : x - Step 2: Convert to fraction form
519,343.23/778,894.56 = 164,291.07/x - Step 3: Cross multiply
519,343.23x = 778,894.56 × 164,291.07 - Step 4: Simplify right side
519,343.23x = 127,965,420,679.58 - Step 5: Solve for x
x = 127,965,420,679.58/519,343.23 - Step 6: Final answer
x = 246,398.55
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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.