Finding the Fourth Proportional to 171,919.54, 257,878.15 and 93,531.99
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Solution
The fourth proportional to 171,919.54, 257,878.15 and 93,531.99 is: 140,297.35
Step by Step Solution
- Step 1: Write the proportion equation
171,919.54 : 257,878.15 = 93,531.99 : x - Step 2: Convert to fraction form
171,919.54/257,878.15 = 93,531.99/x - Step 3: Cross multiply
171,919.54x = 257,878.15 × 93,531.99 - Step 4: Simplify right side
171,919.54x = 24,119,856,547.02 - Step 5: Solve for x
x = 24,119,856,547.02/171,919.54 - Step 6: Final answer
x = 140,297.35
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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.