Finding the Fourth Proportional to 98,740.74, 136,206.84 and 60,518.82
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Solution
The fourth proportional to 98,740.74, 136,206.84 and 60,518.82 is: 83,482.03
Step by Step Solution
- Step 1: Write the proportion equation
98,740.74 : 136,206.84 = 60,518.82 : x - Step 2: Convert to fraction form
98,740.74/136,206.84 = 60,518.82/x - Step 3: Cross multiply
98,740.74x = 136,206.84 × 60,518.82 - Step 4: Simplify right side
98,740.74x = 8,243,077,232.73 - Step 5: Solve for x
x = 8,243,077,232.73/98,740.74 - Step 6: Final answer
x = 83,482.03
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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.