Finding the Fourth Proportional to 121,533.99, 182,038.55 and 118,559.67
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Solution
The fourth proportional to 121,533.99, 182,038.55 and 118,559.67 is: 177,583.49
Step by Step Solution
- Step 1: Write the proportion equation
121,533.99 : 182,038.55 = 118,559.67 : x - Step 2: Convert to fraction form
121,533.99/182,038.55 = 118,559.67/x - Step 3: Cross multiply
121,533.99x = 182,038.55 × 118,559.67 - Step 4: Simplify right side
121,533.99x = 21,582,429,822.48 - Step 5: Solve for x
x = 21,582,429,822.48/121,533.99 - Step 6: Final answer
x = 177,583.49
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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.