Finding the Fourth Proportional to 268,492.06, 402,487.26 and 90,875.26
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Solution
The fourth proportional to 268,492.06, 402,487.26 and 90,875.26 is: 136,227.99
Step by Step Solution
- Step 1: Write the proportion equation
268,492.06 : 402,487.26 = 90,875.26 : x - Step 2: Convert to fraction form
268,492.06/402,487.26 = 90,875.26/x - Step 3: Cross multiply
268,492.06x = 402,487.26 × 90,875.26 - Step 4: Simplify right side
268,492.06x = 36,576,134,399.19 - Step 5: Solve for x
x = 36,576,134,399.19/268,492.06 - Step 6: Final answer
x = 136,227.99
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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.