Finding the Fourth Proportional to 122,126.80, 183,216.34 and 37,885.14
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Solution
The fourth proportional to 122,126.80, 183,216.34 and 37,885.14 is: 56,835.82
Step by Step Solution
- Step 1: Write the proportion equation
122,126.80 : 183,216.34 = 37,885.14 : x - Step 2: Convert to fraction form
122,126.80/183,216.34 = 37,885.14/x - Step 3: Cross multiply
122,126.80x = 183,216.34 × 37,885.14 - Step 4: Simplify right side
122,126.80x = 6,941,176,691.19 - Step 5: Solve for x
x = 6,941,176,691.19/122,126.80 - Step 6: Final answer
x = 56,835.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.