Finding the Fourth Proportional to 108,607.83, 149,876.37 and 63,282.99
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Solution
The fourth proportional to 108,607.83, 149,876.37 and 63,282.99 is: 87,329.11
Step by Step Solution
- Step 1: Write the proportion equation
108,607.83 : 149,876.37 = 63,282.99 : x - Step 2: Convert to fraction form
108,607.83/149,876.37 = 63,282.99/x - Step 3: Cross multiply
108,607.83x = 149,876.37 × 63,282.99 - Step 4: Simplify right side
108,607.83x = 9,484,624,823.95 - Step 5: Solve for x
x = 9,484,624,823.95/108,607.83 - Step 6: Final answer
x = 87,329.11
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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.