Finding the Fourth Proportional to 439,906.68, 607,069.08 and 238,702.68
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Solution
The fourth proportional to 439,906.68, 607,069.08 and 238,702.68 is: 329,408.54
Step by Step Solution
- Step 1: Write the proportion equation
439,906.68 : 607,069.08 = 238,702.68 : x - Step 2: Convert to fraction form
439,906.68/607,069.08 = 238,702.68/x - Step 3: Cross multiply
439,906.68x = 607,069.08 × 238,702.68 - Step 4: Simplify right side
439,906.68x = 144,909,016,341.13 - Step 5: Solve for x
x = 144,909,016,341.13/439,906.68 - Step 6: Final answer
x = 329,408.54
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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.