Finding the Fourth Proportional to 508,844.99, 763,355.51 and 171,888.10
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Solution
The fourth proportional to 508,844.99, 763,355.51 and 171,888.10 is: 257,861.88
Step by Step Solution
- Step 1: Write the proportion equation
508,844.99 : 763,355.51 = 171,888.10 : x - Step 2: Convert to fraction form
508,844.99/763,355.51 = 171,888.10/x - Step 3: Cross multiply
508,844.99x = 763,355.51 × 171,888.10 - Step 4: Simplify right side
508,844.99x = 131,211,726,115.18 - Step 5: Solve for x
x = 131,211,726,115.18/508,844.99 - Step 6: Final answer
x = 257,861.88
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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.