Finding the Fourth Proportional to 98,260.06, 135,620.76 and 62,443.08
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Solution
The fourth proportional to 98,260.06, 135,620.76 and 62,443.08 is: 86,185.35
Step by Step Solution
- Step 1: Write the proportion equation
98,260.06 : 135,620.76 = 62,443.08 : x - Step 2: Convert to fraction form
98,260.06/135,620.76 = 62,443.08/x - Step 3: Cross multiply
98,260.06x = 135,620.76 × 62,443.08 - Step 4: Simplify right side
98,260.06x = 8,468,577,966.34 - Step 5: Solve for x
x = 8,468,577,966.34/98,260.06 - Step 6: Final answer
x = 86,185.35
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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.