Finding the Fourth Proportional to 472,081.94, 708,418.14 and 191,599.18
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Solution
The fourth proportional to 472,081.94, 708,418.14 and 191,599.18 is: 287,518.59
Step by Step Solution
- Step 1: Write the proportion equation
472,081.94 : 708,418.14 = 191,599.18 : x - Step 2: Convert to fraction form
472,081.94/708,418.14 = 191,599.18/x - Step 3: Cross multiply
472,081.94x = 708,418.14 × 191,599.18 - Step 4: Simplify right side
472,081.94x = 135,732,334,721.13 - Step 5: Solve for x
x = 135,732,334,721.13/472,081.94 - Step 6: Final answer
x = 287,518.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.