Finding the Fourth Proportional to 302,406.06, 417,146.56 and 189,031.98
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Solution
The fourth proportional to 302,406.06, 417,146.56 and 189,031.98 is: 260,755.49
Step by Step Solution
- Step 1: Write the proportion equation
302,406.06 : 417,146.56 = 189,031.98 : x - Step 2: Convert to fraction form
302,406.06/417,146.56 = 189,031.98/x - Step 3: Cross multiply
302,406.06x = 417,146.56 × 189,031.98 - Step 4: Simplify right side
302,406.06x = 78,854,038,932.26 - Step 5: Solve for x
x = 78,854,038,932.26/302,406.06 - Step 6: Final answer
x = 260,755.49
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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.