Finding the Fourth Proportional to 548,702.19, 757,238.44 and 306,970.35
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Solution
The fourth proportional to 548,702.19, 757,238.44 and 306,970.35 is: 423,635.54
Step by Step Solution
- Step 1: Write the proportion equation
548,702.19 : 757,238.44 = 306,970.35 : x - Step 2: Convert to fraction form
548,702.19/757,238.44 = 306,970.35/x - Step 3: Cross multiply
548,702.19x = 757,238.44 × 306,970.35 - Step 4: Simplify right side
548,702.19x = 232,449,748,960.25 - Step 5: Solve for x
x = 232,449,748,960.25/548,702.19 - Step 6: Final answer
x = 423,635.54
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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.