Finding the Fourth Proportional to 439,959.08, 607,143.52 and 238,755.08
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Solution
The fourth proportional to 439,959.08, 607,143.52 and 238,755.08 is: 329,482.00
Step by Step Solution
- Step 1: Write the proportion equation
439,959.08 : 607,143.52 = 238,755.08 : x - Step 2: Convert to fraction form
439,959.08/607,143.52 = 238,755.08/x - Step 3: Cross multiply
439,959.08x = 607,143.52 × 238,755.08 - Step 4: Simplify right side
439,959.08x = 144,958,599,689.08 - Step 5: Solve for x
x = 144,958,599,689.08/439,959.08 - Step 6: Final answer
x = 329,482.00
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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.