Finding the Fourth Proportional to 220,440.68, 304,231.92 and 124,937.12
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Solution
The fourth proportional to 220,440.68, 304,231.92 and 124,937.12 is: 172,426.71
Step by Step Solution
- Step 1: Write the proportion equation
220,440.68 : 304,231.92 = 124,937.12 : x - Step 2: Convert to fraction form
220,440.68/304,231.92 = 124,937.12/x - Step 3: Cross multiply
220,440.68x = 304,231.92 × 124,937.12 - Step 4: Simplify right side
220,440.68x = 38,009,860,024.64 - Step 5: Solve for x
x = 38,009,860,024.64/220,440.68 - Step 6: Final answer
x = 172,426.71
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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.