Finding the Fourth Proportional to 165,710.99, 228,690.92 and 124,802.95
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Solution
The fourth proportional to 165,710.99, 228,690.92 and 124,802.95 is: 172,235.42
Step by Step Solution
- Step 1: Write the proportion equation
165,710.99 : 228,690.92 = 124,802.95 : x - Step 2: Convert to fraction form
165,710.99/228,690.92 = 124,802.95/x - Step 3: Cross multiply
165,710.99x = 228,690.92 × 124,802.95 - Step 4: Simplify right side
165,710.99x = 28,541,301,454.21 - Step 5: Solve for x
x = 28,541,301,454.21/165,710.99 - Step 6: Final answer
x = 172,235.42
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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.