Finding the Fourth Proportional to 98,306.84, 135,663.36 and 53,594.84
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Solution
The fourth proportional to 98,306.84, 135,663.36 and 53,594.84 is: 73,960.84
Step by Step Solution
- Step 1: Write the proportion equation
98,306.84 : 135,663.36 = 53,594.84 : x - Step 2: Convert to fraction form
98,306.84/135,663.36 = 53,594.84/x - Step 3: Cross multiply
98,306.84x = 135,663.36 × 53,594.84 - Step 4: Simplify right side
98,306.84x = 7,270,856,073.06 - Step 5: Solve for x
x = 7,270,856,073.06/98,306.84 - Step 6: Final answer
x = 73,960.84
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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.