Finding the Fourth Proportional to 427,339.08, 589,691.18 and 236,304.62
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Solution
The fourth proportional to 427,339.08, 589,691.18 and 236,304.62 is: 326,080.05
Step by Step Solution
- Step 1: Write the proportion equation
427,339.08 : 589,691.18 = 236,304.62 : x - Step 2: Convert to fraction form
427,339.08/589,691.18 = 236,304.62/x - Step 3: Cross multiply
427,339.08x = 589,691.18 × 236,304.62 - Step 4: Simplify right side
427,339.08x = 139,346,750,207.25 - Step 5: Solve for x
x = 139,346,750,207.25/427,339.08 - Step 6: Final answer
x = 326,080.05
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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.