Finding the Fourth Proportional to 165,426.05, 228,214.73 and 101,726.21
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Solution
The fourth proportional to 165,426.05, 228,214.73 and 101,726.21 is: 140,337.14
Step by Step Solution
- Step 1: Write the proportion equation
165,426.05 : 228,214.73 = 101,726.21 : x - Step 2: Convert to fraction form
165,426.05/228,214.73 = 101,726.21/x - Step 3: Cross multiply
165,426.05x = 228,214.73 × 101,726.21 - Step 4: Simplify right side
165,426.05x = 23,215,419,549.07 - Step 5: Solve for x
x = 23,215,419,549.07/165,426.05 - Step 6: Final answer
x = 140,337.14
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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.