Finding the Fourth Proportional to 298,004.18, 411,246.50 and 162,038.05
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Solution
The fourth proportional to 298,004.18, 411,246.50 and 162,038.05 is: 223,612.90
Step by Step Solution
- Step 1: Write the proportion equation
298,004.18 : 411,246.50 = 162,038.05 : x - Step 2: Convert to fraction form
298,004.18/411,246.50 = 162,038.05/x - Step 3: Cross multiply
298,004.18x = 411,246.50 × 162,038.05 - Step 4: Simplify right side
298,004.18x = 66,637,578,873.09 - Step 5: Solve for x
x = 66,637,578,873.09/298,004.18 - Step 6: Final answer
x = 223,612.90
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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.