Finding the Fourth Proportional to 165,444.74, 248,249.12 and 65,602.79
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Solution
The fourth proportional to 165,444.74, 248,249.12 and 65,602.79 is: 98,436.70
Step by Step Solution
- Step 1: Write the proportion equation
165,444.74 : 248,249.12 = 65,602.79 : x - Step 2: Convert to fraction form
165,444.74/248,249.12 = 65,602.79/x - Step 3: Cross multiply
165,444.74x = 248,249.12 × 65,602.79 - Step 4: Simplify right side
165,444.74x = 16,285,833,317.79 - Step 5: Solve for x
x = 16,285,833,317.79/165,444.74 - Step 6: Final answer
x = 98,436.70
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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.