Finding the Fourth Proportional to 114,377.84, 157,847.70 and 63,389.50
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Solution
The fourth proportional to 114,377.84, 157,847.70 and 63,389.50 is: 87,480.99
Step by Step Solution
- Step 1: Write the proportion equation
114,377.84 : 157,847.70 = 63,389.50 : x - Step 2: Convert to fraction form
114,377.84/157,847.70 = 63,389.50/x - Step 3: Cross multiply
114,377.84x = 157,847.70 × 63,389.50 - Step 4: Simplify right side
114,377.84x = 10,005,886,779.15 - Step 5: Solve for x
x = 10,005,886,779.15/114,377.84 - Step 6: Final answer
x = 87,480.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.