Finding the Fourth Proportional to 139,970.01, 209,954.91 and 34,788.99
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Solution
The fourth proportional to 139,970.01, 209,954.91 and 34,788.99 is: 52,183.46
Step by Step Solution
- Step 1: Write the proportion equation
139,970.01 : 209,954.91 = 34,788.99 : x - Step 2: Convert to fraction form
139,970.01/209,954.91 = 34,788.99/x - Step 3: Cross multiply
139,970.01x = 209,954.91 × 34,788.99 - Step 4: Simplify right side
139,970.01x = 7,304,119,264.44 - Step 5: Solve for x
x = 7,304,119,264.44/139,970.01 - Step 6: Final answer
x = 52,183.46
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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.