Finding the Fourth Proportional to 298,887.68, 412,459.63 and 162,922.79
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Solution
The fourth proportional to 298,887.68, 412,459.63 and 162,922.79 is: 224,830.52
Step by Step Solution
- Step 1: Write the proportion equation
298,887.68 : 412,459.63 = 162,922.79 : x - Step 2: Convert to fraction form
298,887.68/412,459.63 = 162,922.79/x - Step 3: Cross multiply
298,887.68x = 412,459.63 × 162,922.79 - Step 4: Simplify right side
298,887.68x = 67,199,071,212.36 - Step 5: Solve for x
x = 67,199,071,212.36/298,887.68 - Step 6: Final answer
x = 224,830.52
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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.