Finding the Fourth Proportional to 162,360.18, 243,437.09 and 142,409.72
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Solution
The fourth proportional to 162,360.18, 243,437.09 and 142,409.72 is: 213,524.08
Step by Step Solution
- Step 1: Write the proportion equation
162,360.18 : 243,437.09 = 142,409.72 : x - Step 2: Convert to fraction form
162,360.18/243,437.09 = 142,409.72/x - Step 3: Cross multiply
162,360.18x = 243,437.09 × 142,409.72 - Step 4: Simplify right side
162,360.18x = 34,667,807,721.06 - Step 5: Solve for x
x = 34,667,807,721.06/162,360.18 - Step 6: Final answer
x = 213,524.08
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1.5x scale
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.