Finding the Fourth Proportional to 165,712.99, 228,693.68 and 124,804.95
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Solution
The fourth proportional to 165,712.99, 228,693.68 and 124,804.95 is: 172,238.18
Step by Step Solution
- Step 1: Write the proportion equation
165,712.99 : 228,693.68 = 124,804.95 : x - Step 2: Convert to fraction form
165,712.99/228,693.68 = 124,804.95/x - Step 3: Cross multiply
165,712.99x = 228,693.68 × 124,804.95 - Step 4: Simplify right side
165,712.99x = 28,542,103,297.72 - Step 5: Solve for x
x = 28,542,103,297.72/165,712.99 - Step 6: Final answer
x = 172,238.18
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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.