Finding the Fourth Proportional to 246,002.55, 339,490.08 and 138,566.18
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Solution
The fourth proportional to 246,002.55, 339,490.08 and 138,566.18 is: 191,225.02
Step by Step Solution
- Step 1: Write the proportion equation
246,002.55 : 339,490.08 = 138,566.18 : x - Step 2: Convert to fraction form
246,002.55/339,490.08 = 138,566.18/x - Step 3: Cross multiply
246,002.55x = 339,490.08 × 138,566.18 - Step 4: Simplify right side
246,002.55x = 47,041,841,836.04 - Step 5: Solve for x
x = 47,041,841,836.04/246,002.55 - Step 6: Final answer
x = 191,225.02
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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.