Finding the Fourth Proportional to 439,835.98, 606,909.12 and 246,233.63
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Solution
The fourth proportional to 439,835.98, 606,909.12 and 246,233.63 is: 339,766.28
Step by Step Solution
- Step 1: Write the proportion equation
439,835.98 : 606,909.12 = 246,233.63 : x - Step 2: Convert to fraction form
439,835.98/606,909.12 = 246,233.63/x - Step 3: Cross multiply
439,835.98x = 606,909.12 × 246,233.63 - Step 4: Simplify right side
439,835.98x = 149,441,434,796.02 - Step 5: Solve for x
x = 149,441,434,796.02/439,835.98 - Step 6: Final answer
x = 339,766.28
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1.5x scale
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.