Finding the Fourth Proportional to 439,071.63, 605,919.45 and 237,867.63
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Solution
The fourth proportional to 439,071.63, 605,919.45 and 237,867.63 is: 328,257.65
Step by Step Solution
- Step 1: Write the proportion equation
439,071.63 : 605,919.45 = 237,867.63 : x - Step 2: Convert to fraction form
439,071.63/605,919.45 = 237,867.63/x - Step 3: Cross multiply
439,071.63x = 605,919.45 × 237,867.63 - Step 4: Simplify right side
439,071.63x = 144,128,623,542.40 - Step 5: Solve for x
x = 144,128,623,542.40/439,071.63 - Step 6: Final answer
x = 328,257.65
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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.