Finding the Fourth Proportional to 121,569.30, 182,353.95 and 102,323.70
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Solution
The fourth proportional to 121,569.30, 182,353.95 and 102,323.70 is: 153,485.55
Step by Step Solution
- Step 1: Write the proportion equation
121,569.30 : 182,353.95 = 102,323.70 : x - Step 2: Convert to fraction form
121,569.30/182,353.95 = 102,323.70/x - Step 3: Cross multiply
121,569.30x = 182,353.95 × 102,323.70 - Step 4: Simplify right side
121,569.30x = 18,659,130,873.62 - Step 5: Solve for x
x = 18,659,130,873.62/121,569.30 - Step 6: Final answer
x = 153,485.55
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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.