Finding the Fourth Proportional to 252,699.84, 348,725.88 and 139,522.68
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Solution
The fourth proportional to 252,699.84, 348,725.88 and 139,522.68 is: 192,541.35
Step by Step Solution
- Step 1: Write the proportion equation
252,699.84 : 348,725.88 = 139,522.68 : x - Step 2: Convert to fraction form
252,699.84/348,725.88 = 139,522.68/x - Step 3: Cross multiply
252,699.84x = 348,725.88 × 139,522.68 - Step 4: Simplify right side
252,699.84x = 48,655,169,362.96 - Step 5: Solve for x
x = 48,655,169,362.96/252,699.84 - Step 6: Final answer
x = 192,541.35
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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.