Finding the Fourth Proportional to 245,656.66, 339,002.26 and 138,226.63
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Solution
The fourth proportional to 245,656.66, 339,002.26 and 138,226.63 is: 190,750.54
Step by Step Solution
- Step 1: Write the proportion equation
245,656.66 : 339,002.26 = 138,226.63 : x - Step 2: Convert to fraction form
245,656.66/339,002.26 = 138,226.63/x - Step 3: Cross multiply
245,656.66x = 339,002.26 × 138,226.63 - Step 4: Simplify right side
245,656.66x = 46,859,139,962.18 - Step 5: Solve for x
x = 46,859,139,962.18/245,656.66 - Step 6: Final answer
x = 190,750.54
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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.