Finding the Fourth Proportional to 175,638.93, 263,459.10 and 42,518.99
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Solution
The fourth proportional to 175,638.93, 263,459.10 and 42,518.99 is: 63,778.65
Step by Step Solution
- Step 1: Write the proportion equation
175,638.93 : 263,459.10 = 42,518.99 : x - Step 2: Convert to fraction form
175,638.93/263,459.10 = 42,518.99/x - Step 3: Cross multiply
175,638.93x = 263,459.10 × 42,518.99 - Step 4: Simplify right side
175,638.93x = 11,202,013,521.01 - Step 5: Solve for x
x = 11,202,013,521.01/175,638.93 - Step 6: Final answer
x = 63,778.65
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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.