Finding the Fourth Proportional to 242,695.80, 364,207.73 and 84,925.62
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Solution
The fourth proportional to 242,695.80, 364,207.73 and 84,925.62 is: 127,445.83
Step by Step Solution
- Step 1: Write the proportion equation
242,695.80 : 364,207.73 = 84,925.62 : x - Step 2: Convert to fraction form
242,695.80/364,207.73 = 84,925.62/x - Step 3: Cross multiply
242,695.80x = 364,207.73 × 84,925.62 - Step 4: Simplify right side
242,695.80x = 30,930,566,854.41 - Step 5: Solve for x
x = 30,930,566,854.41/242,695.80 - Step 6: Final answer
x = 127,445.83
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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.