Finding the Fourth Proportional to 268,511.50, 370,537.98 and 147,652.66
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Solution
The fourth proportional to 268,511.50, 370,537.98 and 147,652.66 is: 203,756.33
Step by Step Solution
- Step 1: Write the proportion equation
268,511.50 : 370,537.98 = 147,652.66 : x - Step 2: Convert to fraction form
268,511.50/370,537.98 = 147,652.66/x - Step 3: Cross multiply
268,511.50x = 370,537.98 × 147,652.66 - Step 4: Simplify right side
268,511.50x = 54,710,918,378.03 - Step 5: Solve for x
x = 54,710,918,378.03/268,511.50 - Step 6: Final answer
x = 203,756.33
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1.5x scale
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.