Finding the Fourth Proportional to 298,378.94, 411,773.36 and 162,424.08
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Solution
The fourth proportional to 298,378.94, 411,773.36 and 162,424.08 is: 224,150.90
Step by Step Solution
- Step 1: Write the proportion equation
298,378.94 : 411,773.36 = 162,424.08 : x - Step 2: Convert to fraction form
298,378.94/411,773.36 = 162,424.08/x - Step 3: Cross multiply
298,378.94x = 411,773.36 × 162,424.08 - Step 4: Simplify right side
298,378.94x = 66,881,909,166.51 - Step 5: Solve for x
x = 66,881,909,166.51/298,378.94 - Step 6: Final answer
x = 224,150.90
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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.