Finding the Fourth Proportional to 458,199.36, 687,343.68 and 170,088.48
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Solution
The fourth proportional to 458,199.36, 687,343.68 and 170,088.48 is: 255,149.29
Step by Step Solution
- Step 1: Write the proportion equation
458,199.36 : 687,343.68 = 170,088.48 : x - Step 2: Convert to fraction form
458,199.36/687,343.68 = 170,088.48/x - Step 3: Cross multiply
458,199.36x = 687,343.68 × 170,088.48 - Step 4: Simplify right side
458,199.36x = 116,909,241,768.81 - Step 5: Solve for x
x = 116,909,241,768.81/458,199.36 - Step 6: Final answer
x = 255,149.29
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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.