Finding the Fourth Proportional to 165,221.42, 228,005.00 and 93,615.09
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Solution
The fourth proportional to 165,221.42, 228,005.00 and 93,615.09 is: 129,188.51
Step by Step Solution
- Step 1: Write the proportion equation
165,221.42 : 228,005.00 = 93,615.09 : x - Step 2: Convert to fraction form
165,221.42/228,005.00 = 93,615.09/x - Step 3: Cross multiply
165,221.42x = 228,005.00 × 93,615.09 - Step 4: Simplify right side
165,221.42x = 21,344,709,169.23 - Step 5: Solve for x
x = 21,344,709,169.23/165,221.42 - Step 6: Final answer
x = 129,188.51
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1.5x scale
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.