Finding the Fourth Proportional to 282,724.04, 390,160.02 and 155,412.68
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Solution
The fourth proportional to 282,724.04, 390,160.02 and 155,412.68 is: 214,469.96
Step by Step Solution
- Step 1: Write the proportion equation
282,724.04 : 390,160.02 = 155,412.68 : x - Step 2: Convert to fraction form
282,724.04/390,160.02 = 155,412.68/x - Step 3: Cross multiply
282,724.04x = 390,160.02 × 155,412.68 - Step 4: Simplify right side
282,724.04x = 60,635,814,337.05 - Step 5: Solve for x
x = 60,635,814,337.05/282,724.04 - Step 6: Final answer
x = 214,469.96
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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.